USS Volador (SS-490)
Encyclopedia
USS Volador (SS-490), a , was the second ship of the United States Navy
United States Navy
The United States Navy is the naval warfare service branch of the United States Armed Forces and one of the seven uniformed services of the United States. The U.S. Navy is the largest in the world; its battle fleet tonnage is greater than that of the next 13 largest navies combined. The U.S...

 to be named for the volador. The contract to build her was awarded to Portsmouth Naval Shipyard
Portsmouth Naval Shipyard
The Portsmouth Naval Shipyard , often called the Portsmouth Navy Yard, is a United States Navy shipyard located in Kittery on the southern boundary of Maine near the city of Portsmouth, New Hampshire. It is used for remodeling and repairing the Navy's ships...

 in Kittery, Maine
Kittery, Maine
Kittery is a town in York County, Maine, United States. The population was 9,543 at the 2000 census. Home to the Portsmouth Naval Shipyard on Seavey's Island, Kittery includes Badger's Island, the seaside district of Kittery Point, and part of the Isles of Shoals...

, and her keel was laid down on 15 June 1945, but work on her construction was discontinued in January 1946. Her unfinished hulk remained on the ways until August 1947 when construction resumed, now including GUPPY II enhancements to the basic Tench design. Volador was launched
Ship naming and launching
The ceremonies involved in naming and launching naval ships are based in traditions thousands of years old.-Methods of launch:There are three principal methods of conveying a new ship from building site to water, only two of which are called "launching." The oldest, most familiar, and most widely...

 on 21 May 1948 sponsored by Mrs. Dudley W. Morton
Dudley W. Morton
Dudley Walker Morton was a submarine commander of the United States Navy during World War II. He was commander of during its third through seventh patrols. Wahoo was one of the most-celebrated submarines of World War II, sinking at least 19 Japanese ships, more than any other submarine of the time...

, and commissioned
Ship commissioning
Ship commissioning is the act or ceremony of placing a ship in active service, and may be regarded as a particular application of the general concepts and practices of project commissioning. The term is most commonly applied to the placing of a warship in active duty with its country's military...

 on 1 October 1948, with Commander H. A. Thompson in command.

West Coast

Volador completed her builder's trials on 20 January 1949, left Portsmouth three days later, and stopped at Newport, Rhode Island
Newport, Rhode Island
Newport is a city on Aquidneck Island in Newport County, Rhode Island, United States, about south of Providence. Known as a New England summer resort and for the famous Newport Mansions, it is the home of Salve Regina University and Naval Station Newport which houses the United States Naval War...

, and New London, Connecticut
New London, Connecticut
New London is a seaport city and a port of entry on the northeast coast of the United States.It is located at the mouth of the Thames River in New London County, southeastern Connecticut....

, before sailing for the Gulf of Mexico
Gulf of Mexico
The Gulf of Mexico is a partially landlocked ocean basin largely surrounded by the North American continent and the island of Cuba. It is bounded on the northeast, north and northwest by the Gulf Coast of the United States, on the southwest and south by Mexico, and on the southeast by Cuba. In...

 on 5 February. Volador arrived at New Orleans, Louisiana
New Orleans, Louisiana
New Orleans is a major United States port and the largest city and metropolitan area in the state of Louisiana. The New Orleans metropolitan area has a population of 1,235,650 as of 2009, the 46th largest in the USA. The New Orleans – Metairie – Bogalusa combined statistical area has a population...

, on 11 February and proceeded to the West Coast, via Galveston, Texas
Galveston, Texas
Galveston is a coastal city located on Galveston Island in the U.S. state of Texas. , the city had a total population of 47,743 within an area of...

, and the Panama Canal
Panama Canal
The Panama Canal is a ship canal in Panama that joins the Atlantic Ocean and the Pacific Ocean and is a key conduit for international maritime trade. Built from 1904 to 1914, the canal has seen annual traffic rise from about 1,000 ships early on to 14,702 vessels measuring a total of 309.6...

, and arrived at San Diego, California
San Diego, California
San Diego is the eighth-largest city in the United States and second-largest city in California. The city is located on the coast of the Pacific Ocean in Southern California, immediately adjacent to the Mexican border. The birthplace of California, San Diego is known for its mild year-round...

, on 11 March. The submarine conducted local operations along the California
California
California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

 coast between San Diego, California, and San Francisco, California
San Francisco, California
San Francisco , officially the City and County of San Francisco, is the financial, cultural, and transportation center of the San Francisco Bay Area, a region of 7.15 million people which includes San Jose and Oakland...

, until she departed San Diego on 13 October, bound for Hawaii
Hawaii
Hawaii is the newest of the 50 U.S. states , and is the only U.S. state made up entirely of islands. It is the northernmost island group in Polynesia, occupying most of an archipelago in the central Pacific Ocean, southwest of the continental United States, southeast of Japan, and northeast of...

. She arrived at Pearl Harbor
Pearl Harbor
Pearl Harbor, known to Hawaiians as Puuloa, is a lagoon harbor on the island of Oahu, Hawaii, west of Honolulu. Much of the harbor and surrounding lands is a United States Navy deep-water naval base. It is also the headquarters of the U.S. Pacific Fleet...

 on 7 November but returned to San Diego on 18 November and spent the remainder of 1949 as well as most of the following year on the West Coast, conducting various training exercises. During that period, she also visited Portland, Oregon
Portland, Oregon
Portland is a city located in the Pacific Northwest, near the confluence of the Willamette and Columbia rivers in the U.S. state of Oregon. As of the 2010 Census, it had a population of 583,776, making it the 29th most populous city in the United States...

, Vancouver, Washington
Vancouver, Washington
Vancouver is a city on the north bank of the Columbia River in the U.S. state of Washington. Incorporated in 1857, it is the fourth largest city in the state with a 2010 census population of 161,791 as of April 1, 2010...

, and Pearl Harbor. In June 1950, Volador embarked reserves at Treasure Island, California
Treasure Island, California
Treasure Island is an artificial island in the San Francisco Bay between San Francisco and Oakland, and an emerging neighborhood of San Francisco....

, and proceeded on a two-week reserve cruise to Hawaii. En route, the Korean War
Korean War
The Korean War was a conventional war between South Korea, supported by the United Nations, and North Korea, supported by the People's Republic of China , with military material aid from the Soviet Union...

 broke out, and the submarine spent two months training in Hawaiian waters before returning to San Diego for operations on the West Coast that lasted into the summer of 1951.

Korean War

The submarine departed San Diego, California, on 21 July, bound, via Pearl Harbor, for Japan
Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

 and arrived at Yokosuka on 15 August 1951. On 18 August, Volador got underway from Yokosuka for a period of special operations. Her orders directed the submarine to conduct an undetected reconnaissance patrol in the area of Hokkaidō
Hokkaido
, formerly known as Ezo, Yezo, Yeso, or Yesso, is Japan's second largest island; it is also the largest and northernmost of Japan's 47 prefectural-level subdivisions. The Tsugaru Strait separates Hokkaido from Honshu, although the two islands are connected by the underwater railway Seikan Tunnel...

, Japan, for a four-week period, in order to keep Commander, Naval Forces Far East, informed of any Soviet
Soviet Union
The Soviet Union , officially the Union of Soviet Socialist Republics , was a constitutionally socialist state that existed in Eurasia between 1922 and 1991....

 or People's Republic of China
People's Republic of China
China , officially the People's Republic of China , is the most populous country in the world, with over 1.3 billion citizens. Located in East Asia, the country covers approximately 9.6 million square kilometres...

's seaborne and airborne activity in that area. Throughout her patrol, the submarine identified and photographed numerous radar
Radar
Radar is an object-detection system which uses radio waves to determine the range, altitude, direction, or speed of objects. It can be used to detect aircraft, ships, spacecraft, guided missiles, motor vehicles, weather formations, and terrain. The radar dish or antenna transmits pulses of radio...

 contacts and made rendezvous with submarines and to exchange patrol reports and other valuable information. On 16 September, Volador held ceremonies commemorating her 1000th dive. After a 24-hour engineering run in Tsugaru Strait
Tsugaru Strait
is a channel between Honshu and Hokkaido in northern Japan connecting the Sea of Japan with the Pacific Ocean. It was named after the western part of Aomori Prefecture...

, she ended her patrol and arrived in Yokosuka on 22 September. From 11 November to 15 November, Volador conducted ASW operations with destroyer
Destroyer
In naval terminology, a destroyer is a fast and maneuverable yet long-endurance warship intended to escort larger vessels in a fleet, convoy or battle group and defend them against smaller, powerful, short-range attackers. Destroyers, originally called torpedo-boat destroyers in 1892, evolved from...

s , , and in the Atami area. From 16 November to 9 December, Volador participated in hunter/killer operations en route to Okinawa from Japan in company with Task Group (TG) 96.7. The submarine visited Buckner Bay, Okinawa, before heading home via Pearl Harbor.

Volador returned to San Diego, California, in January 1952 and conducted local operations until early summer. She then spent three months in the Juan de Fuca Strait and the Puget Sound
Puget Sound
Puget Sound is a sound in the U.S. state of Washington. It is a complex estuarine system of interconnected marine waterways and basins, with one major and one minor connection to the Strait of Juan de Fuca and the Pacific Ocean — Admiralty Inlet being the major connection and...

 area before entering the Mare Island Naval Shipyard
Mare Island Naval Shipyard
The Mare Island Naval Shipyard was the first United States Navy base established on the Pacific Ocean. It is located 25 miles northeast of San Francisco in Vallejo, California. The Napa River goes through the Mare Island Strait and separates the peninsula shipyard from the main portion of the...

 in October. During the five month overhaul which followed, a new battery and an Askania automatic depth control system were installed. Upon her return to San Diego, Volador provided services to ASW surface units, aircraft, and the Fleet Sonar School and participated in type training, Exercise "Pacphibex", and hunter/killer exercises. She departed San Diego on 7 August 1953 and arrived at Pearl Harbor on 15 August, received briefings by members of the Commander in Chief, Pacific Fleet, and the Commander, Submarines, Pacific staffs on 17 August and 18 August and tested experimental sonar
Sonar
Sonar is a technique that uses sound propagation to navigate, communicate with or detect other vessels...

 equipment at sea on 20 August.

Special operations

On 22 August 1953, Volador began a period of special operations, departing Pearl Harbor for an Alaska
Alaska
Alaska is the largest state in the United States by area. It is situated in the northwest extremity of the North American continent, with Canada to the east, the Arctic Ocean to the north, and the Pacific Ocean to the west and south, with Russia further west across the Bering Strait...

n training cruise which kept her in northern waters until October 1953. Her patrol station was northeast of the St. Lawrence Bay
St. Lawrence Bay
St Lawrence Bay is a village in Essex, UK. It is in an area known as the Dengie Hundred, next to the River Blackwater.The village is now known as St Lawrence, Essex which comprises the two settlements of St Lawrence Bay and Ramsey Island....

, and, on 1 September, she made rendezvous with submarine off the southwest cape, St. Lawrence Island
St. Lawrence Island
St. Lawrence Island is located west of mainland Alaska in the Bering Sea, just south of the Bering Strait, at about 63°30' North 173°20' West. The village of Gambell is located on the northwest cape, from the Chukchi Peninsula in the Russian Far East. The island is part of Alaska, but closer to...

; the following day, she snorkeled to an area off Brook Bank, then proceeded to the Bering Strait
Bering Strait
The Bering Strait , known to natives as Imakpik, is a sea strait between Cape Dezhnev, Chukotka Autonomous Okrug, Russia, the easternmost point of the Asian continent and Cape Prince of Wales, Alaska, USA, the westernmost point of the North American continent, with latitude of about 65°40'N,...

 area. Volador conducted a shipping reconnaissance patrol until the night of 27 September 1953 when she made rendezvous with and was relieved by submarine . Volador arrived at Pearl Harbor on 7 October 1953. During her second patrol, she contacted a total of 63 ships and identified and photographed the majority of them.

Western Pacific

Returning to San Diego, California, Volador rendered services and conducted type training there until May 1954, when she entered the Mare Island Naval Shipyard for overhaul. The yard work was completed in October 1954 and Volador returned to San Diego for local operations. Departing San Diego on 3 January 1955 for her second tour of duty in the Western Pacific (WestPac), Volador proceeded to Yokosuka, Japan, via Pearl Harbor. Upon arrival at Yokosuka on 26 January 1955, she conducted type training and furnished ASW services to a destroyer division and elements of the Japan Maritime Self-Defense Force
Japan Self-Defense Forces
The , or JSDF, occasionally referred to as JSF or SDF, are the unified military forces of Japan that were established after the end of the post–World War II Allied occupation of Japan. For most of the post-war period the JSDF was confined to the islands of Japan and not permitted to be deployed...

 until 1 March 1955. She then completed two weeks of routine upkeep on 13 March, prior to departure for another period of special operations on 14 March.

Volador transited Tsugaru Strait and, on 19 March commenced a submerged patrol on the lane between Vladivostok
Vladivostok
The city is located in the southern extremity of Muravyov-Amursky Peninsula, which is about 30 km long and approximately 12 km wide.The highest point is Mount Kholodilnik, the height of which is 257 m...

 and La Perouse Strait
La Perouse Strait
La Pérouse Strait is a strait dividing the southern part of the Russian island of Sakhalin from the northern part of the Japanese island of Hokkaidō, and connecting the Sea of Japan on the west with the Sea of Okhotsk on the east....

 which lasted until 8 April. She then commenced a transit of Tsugaru Strait and set a course back to Yokosuka where she moored on 11 April 1955. After the completion of this patrol, Volador was commended for excellent photography, correct identification of contacts, and accurate reporting of identifying characteristics regarding the 33 ships contacted.

West Coast

Visiting Subic Bay
U.S. Naval Base Subic Bay
U.S. Naval Base Subic Bay was a major ship-repair, supply, and rest and recreation facility of the United States Navy located in Zambales, Philippines. It was the largest U.S...

, Hong Kong
Hong Kong
Hong Kong is one of two Special Administrative Regions of the People's Republic of China , the other being Macau. A city-state situated on China's south coast and enclosed by the Pearl River Delta and South China Sea, it is renowned for its expansive skyline and deep natural harbour...

, and Pearl Harbor while en route, Volador returned to San Diego, California, on 1 July. The submarine operated along the West Coast for the next two years. In August 1957, Volador commenced another Far East deployment. She arrived at Pearl Harbor on 3 August and departed three days later for a 30-day patrol off Petropavlovsk
Petropavlovsk-Kamchatsky
Petropavlovsk-Kamchatsky is the main city and the administrative, industrial, scientific, and cultural center of Kamchatka Krai, Russia. Population: .-History:It was founded by Danish navigator Vitus Bering, in the service of the Russian Navy...

, Kamchatka
Kamchatka Peninsula
The Kamchatka Peninsula is a peninsula in the Russian Far East, with an area of . It lies between the Pacific Ocean to the east and the Sea of Okhotsk to the west...

. Her mission was to gather intelligence information. Due to motor casualties nine days after arrival on station, she departed the Petropavlovsk area on 25 August and arrived at Yokosuka five days later. During this patrol Volador contacted 13 merchant ships and eight warships.

On 8 November 1957, the submarine arrived at Subic Bay for a scheduled upkeep and departed on 17 November for Yokosuka. Volador arrived at Yokosuka on 26 November; and, from 11 December through 4 January 1958, she conducted a special reconnaissance patrol in the Sea of Okhotsk
Sea of Okhotsk
The Sea of Okhotsk is a marginal sea of the western Pacific Ocean, lying between the Kamchatka Peninsula on the east, the Kuril Islands on the southeast, the island of Hokkaidō to the far south, the island of Sakhalin along the west, and a long stretch of eastern Siberian coast along the west and...

. During this 17-day undetected special patrol, she completed her photographic mission in spite of severe ice and blizzard conditions. Returning to Japan, Volador departed Yokosuka on 9 January for Pearl Harbor. She arrived at Hawaii on 19 January and departed two days later for San Diego, arriving on 28 January 1958.

Volador remained at San Diego until 3 October, when she departed for Vancouver, Washington. Twenty guests of the Vancouver Navy League were embarked at Longview, Washington
Longview, Washington
Longview is a city in Cowlitz County, Washington, United States. It is the principal city of the "Longview, Washington Metropolitan Statistical Area", which encompasses all of Cowlitz County. Longview's population was 36,648 at the time of the 2010 census and is the largest city in Cowlitz County...

, for a ship's visit and disembarked upon arrival at Vancouver. Volador was welcomed by a gathering of about 500 citizens, plus the local high school band, and was presented a plaque in a simple ceremony on board. She departed Vancouver on 5 October and visited Seattle, Washington
Seattle, Washington
Seattle is the county seat of King County, Washington. With 608,660 residents as of the 2010 Census, Seattle is the largest city in the Northwestern United States. The Seattle metropolitan area of about 3.4 million inhabitants is the 15th largest metropolitan area in the country...

, and Port Angeles, Washington
Port Angeles, Washington
Port Angeles is a city in and the county seat of Clallam County, Washington, United States. The population was 19,038 at the 2010 census. The area's harbor was dubbed Puerto de Nuestra Señora de los Ángeles by Spanish explorer Francisco de Eliza in 1791, but by the mid-19th century the name had...

, through the month of October. Volador visited Victoria, British Columbia
Victoria, British Columbia
Victoria is the capital city of British Columbia, Canada and is located on the southern tip of Vancouver Island off Canada's Pacific coast. The city has a population of about 78,000 within the metropolitan area of Greater Victoria, which has a population of 360,063, the 15th most populous Canadian...

, from 31 October through 3 November. Canadian frigate
Frigate
A frigate is any of several types of warship, the term having been used for ships of various sizes and roles over the last few centuries.In the 17th century, the term was used for any warship built for speed and maneuverability, the description often used being "frigate-built"...

 HMCS Antigonish was the host ship, and wardroom officers were entertained on board and in the homes of the host's officers.

The submarine patrolled the areas of Esquimalt, Washington, Port Angeles, Washington, Tacoma, Washington
Tacoma, Washington
Tacoma is a mid-sized urban port city and the county seat of Pierce County, Washington, United States. The city is on Washington's Puget Sound, southwest of Seattle, northeast of the state capital, Olympia, and northwest of Mount Rainier National Park. The population was 198,397, according to...

, and Seattle, Washington until 22 November when she began her return trip to San Diego, California, arriving on 26 November. Volador operated in the San Diego-San Francisco area until 5 May 1959 when she entered the San Francisco Naval Shipyard
San Francisco Naval Shipyard
The San Francisco Naval Shipyard was a United States Navy shipyard in San Francisco, California, located on of waterfront at Hunters Point in the southeast corner of the city...

 at Hunters Point
Hunters Point, San Francisco, California
Bayview-Hunters Point or The Bayview, is a neighborhood in the southeastern corner of San Francisco, California, United States. The decommissioned Hunters Point Naval Shipyard is located within its boundaries and Candlestick Park is on the southern edge....

 for overhaul.

Completing overhaul in October 1959, the submarine returned to San Diego, California,,, for local operations until leaving for WestPac in late December. While thus deployed, Volador participated in many operations including amphibious Exercise "Blue Star" and SEATO Exercise "Sea Lion." Upon returning to San Diego, she participated in various local operations during the next 20 months.

Conversion

Volador spent the early months of 1962 in local operations in the San Diego area until she conducted a reserve cruise from 4 April to 11 April. Upon her return, she was placed in commission, in reserve, while undergoing FRAM
Fleet Rehabilitation and Modernization
The Fleet Rehabilitation and Modernization program of the United States Navy extended the lives of World War II-era destroyers by shifting their mission from a surface attack role to that of a submarine hunter...

 Mk 1 conversion to a GUPPY III configuration at the San Francisco Naval Shipyard. The submarine was saved from possible total destruction due to a spectacular pier fire at the shipyard on 9 November and 10 November 1962 by the duty section led by the duty officer and the executive officer. In September 1962, Volador was returned to active service. The conversion was completed in February 1963. A 15 feet (5 m) hull section was installed in addition to a large amount of new electronic, fire control
Fire-control system
A fire-control system is a number of components working together, usually a gun data computer, a director, and radar, which is designed to assist a weapon system in hitting its target. It performs the same task as a human gunner firing a weapon, but attempts to do so faster and more...

, and sonar equipment, making Volador one of the most modern diesel-electric submarines in the Fleet. After trials in Puget Sound, she returned to San Diego in April 1963 to take part in local operations.

Vietnam era

The submarine departed San Diego in September 1963 for another WestPac deployment. Near the conclusion of her tour, Volador conducted a special assignment which resulted in her receiving a commendation from the Commander, Submarine Force, United States Pacific Fleet, for "a mission of great value to the government of the United States." After returning to San Diego, she was assigned to local and Pacific coast operations.

In late 1964, Volador again distinguished herself by sending the submarine hulk ex- to the bottom after firing one homing torpedo in a weapons system evaluation test, making her the only submarine in the Navy to claim two peace-time "kills". Commander, Submarine Force, United States Pacific Fleet, awarded the "E" for overall performance "and for being adjudged the outstanding submarine in Submarine Squadron 5 in fleet intra-type competition for fiscal year 1965."

Volador resumed operations on 3 January 1966 after a short period of holiday routine in San Diego alongside the submarine tender . The greater part of January was spent conducting weapons system accuracy trials at the Dabob Bay and Carr Inlet
Carr Inlet
Carr Inlet, in southern Puget Sound in the U.S. state of Washington, is an arm of water between Key Peninsula and Gig Harbor Peninsula. Its southern end is connected to the southern basin of Puget Sound. Northward, it separates McNeil Island and Fox Island as well as the peninsulas of Key and Gig...

 facilities in the Puget Sound area. Volador returned to San Diego on 3 February and conducted a week of refresher training commencing on 10 February. Following this, she began a three-week upkeep period during which she successfully underwent an administrative inspection and a nuclear weapons acceptance inspection. On 7 March 1966, Volador left port for a week of type training in the local operating areas during which time sound trials were conducted to investigate the problem of noisy propellers. She got underway on 4 April for a four-day restricted availability at the San Francisco Bay Naval Shipyard
San Francisco Bay Naval Shipyard
The San Francisco Bay Naval Shipyard was a short-lived shipyard formed in 1965 as the combination of the San Francisco Naval Shipyard and the Mare Island Naval Shipyard. The combined yards were the largest naval shipyard in the world, but the desired cost savings did not materialize, and the two...

 where new propellers were installed. The remainder of April and the period until 11 May were spent in the San Diego area conducting various tests and preparing for deployment to WestPac.

The submarine departed San Diego on 12 May and, after a four-day stopover in Pearl Harbor, reported to Commander, Seventh Fleet, for operational control on 3 June and arrived at Yokosuka, Japan, on 6 June 1966.

Following an eight-day upkeep period for voyage repairs, Volador departed Yokosuka on 14 June to provide ASW services to ships and aircraft of the Japan Maritime Self-Defense Force. Throughout the summer, she continued to conduct exercises and provide services which were made more meaningful by the mutual exchange of officers. The submarine operated in the areas of Yokosuka and Iwakuni, Japan, and Buckner Bay, Okinawa.

Volador was in upkeep status at Yokosuka from 15 September to 23 September. She got underway for Hong Kong on 26 September, after which she stopped at Kaohsiung
Kaohsiung
Kaohsiung is a city located in southwestern Taiwan, facing the Taiwan Strait on the west. Kaohsiung, officially named Kaohsiung City, is divided into thirty-eight districts. The city is one of five special municipalities of the Republic of China...

 and Midway Island and arrived at Pearl Harbor on 6 November. She departed two days later for San Diego. Volador arrived at her home port on 19 November and spent the remainder of 1966 in holiday leave and upkeep status. She was nominated for the Captain Edward F. Ney Memorial Award for the most outstanding general mess for 1966. On 1 July 1966, Volador was awarded the Squadron 5 award for fire control and weapons excellence.

Operations resumed on 15 January 1967 after a period of holiday routine alongside the Submarine Facility, Ballast Point, San Diego. The first half of 1967 was spent participating in various exercises, undergoing upkeep and repairs, and qualifying for a nuclear weapons technical proficiency inspection, a material inspection, and an operational readiness inspection.

Volador then departed San Diego on 24 July en route to Auckland
Auckland
The Auckland metropolitan area , in the North Island of New Zealand, is the largest and most populous urban area in the country with residents, percent of the country's population. Auckland also has the largest Polynesian population of any city in the world...

, New Zealand
New Zealand
New Zealand is an island country in the south-western Pacific Ocean comprising two main landmasses and numerous smaller islands. The country is situated some east of Australia across the Tasman Sea, and roughly south of the Pacific island nations of New Caledonia, Fiji, and Tonga...

. She made a two-day stop at Pago Pago, American Samoa
American Samoa
American Samoa is an unincorporated territory of the United States located in the South Pacific Ocean, southeast of the sovereign state of Samoa...

, and arrived at Auckland on 15 August. The submarine participated in LONGEX 67, then departed for Subic Bay and arrived there on 10 September for five days of upkeep and voyage repairs. She participated in Exercise "Gillnet", visited Buckner Bay, Okinawa, and arrived at Yokosuka, Japan, on 26 September. The remainder of the year was spent conducting various operations out of Yokosuka.

USS Pueblo incident

On 1 January 1968, Volador was en route to Hong Kong for a port visit. She arrived back at Yokosuka, Japan, on 24 January to learn that her deployment was being indefinitely extended because of mobilization response to the capture of "environmental research ship" by the North Korea
North Korea
The Democratic People’s Republic of Korea , , is a country in East Asia, occupying the northern half of the Korean Peninsula. Its capital and largest city is Pyongyang. The Korean Demilitarized Zone serves as the buffer zone between North Korea and South Korea...

ns. Volador departed for sea on 31 January and returned 31 days later. The submarine left Japan and made a two-day stopover at Pearl Harbor before arriving in San Diego on 29 March. The period until 26 June was spent in post-deployment upkeep and local operations. On 27 June, Volador departed for a regular shipyard overhaul in the San Francisco Naval Shipyard at Hunters Point
San Francisco Naval Shipyard
The San Francisco Naval Shipyard was a United States Navy shipyard in San Francisco, California, located on of waterfront at Hunters Point in the southeast corner of the city...

 at which time a Mk 48 fire control system was installed. Post-overhaul trials were conducted in the San Francisco, California, operating area on 20 December and 22 December, and the submarine finished the year at the San Francisco Naval Shipyard, Vallejo, California
Vallejo, California
Vallejo is the largest city in Solano County, California, United States. The population was 115,942 at the 2010 census. It is located in the San Francisco Bay Area on the northeastern shore of San Pablo Bay...

.

Throughout January and February 1969, Volador held sound and weapons trials in the Puget Sound area. The next two months were spent in upkeep and training before heading to the Pacific northwest for a quality assurance system test of the Mk 48 Astor torpedo. After the firings, while en route to home waters, a stop was made at Monterey, California
Monterey, California
The City of Monterey in Monterey County is located on Monterey Bay along the Pacific coast in Central California. Monterey lies at an elevation of 26 feet above sea level. As of the 2010 census, the city population was 27,810. Monterey is of historical importance because it was the capital of...

, on 20 May and 21 May to provide familiarization cruises for students of the Naval Postgraduate School, local members of the Navy League, and city leaders. The trip was an outstanding success and received wide dissemination through the local press media.

The submarine returned to San Diego, California, and commenced an upkeep period and a final workup for deployment. Volador departed San Diego on 28 July 1969 for Yokosuka, Japan, via Pearl Harbor. During the Christmas holidays, Volador visited Bangkok
Bangkok
Bangkok is the capital and largest urban area city in Thailand. It is known in Thai as Krung Thep Maha Nakhon or simply Krung Thep , meaning "city of angels." The full name of Bangkok is Krung Thep Mahanakhon Amon Rattanakosin Mahintharayutthaya Mahadilok Phop Noppharat Ratchathani Burirom...

, Thailand
Thailand
Thailand , officially the Kingdom of Thailand , formerly known as Siam , is a country located at the centre of the Indochina peninsula and Southeast Asia. It is bordered to the north by Burma and Laos, to the east by Laos and Cambodia, to the south by the Gulf of Thailand and Malaysia, and to the...

, enjoying the exotic sights and the Thai people and providing a week of services to the Royal Thai Navy
Royal Thai Navy
The Royal Thai Navy is the navy of Thailand and part of the Royal Thai Armed Forces, it was established in the late 19th century. Admiral Prince Abhakara Kiartiwongse is "The Father of Royal Thai Navy". Similar to the organizational structure of the United States, the Royal Thai Navy includes the...

. Leaving Bangkok on 26 December, the ship headed for Hong Kong and was en route as the year ended.

Volador left Hong Kong for two weeks of operations and liberty in Yokosuka, Japan, before returning to San Diego, California, on 12 February 1970. The next month was a period of upkeep and rest for the crew. The following three months were filled with numerous exercises and drills to retrain the crew and to prepare for interfleet transfer to the East Coast. Volador departed San Diego on 7 August for transit to the East Coast via the Panama Canal. She arrived at her new home port of Charleston, South Carolina
Charleston, South Carolina
Charleston is the second largest city in the U.S. state of South Carolina. It was made the county seat of Charleston County in 1901 when Charleston County was founded. The city's original name was Charles Towne in 1670, and it moved to its present location from a location on the west bank of the...

, and spent the remainder of 1970 there.

Mediterranean Sea

During the first few months of 1971, Volador conducted exercises and drills and underwent upkeep in preparation for deployment to the Mediterranean Sea
Mediterranean Sea
The Mediterranean Sea is a sea connected to the Atlantic Ocean surrounded by the Mediterranean region and almost completely enclosed by land: on the north by Anatolia and Europe, on the south by North Africa, and on the east by the Levant...

. On 19 April, she arrived at Rota, Spain
Rota, Spain
-External references:*, official website * On-line since 1999! News, premiere information, pictures, weather, etc. Into Spanish, English... ****- External links :...

, and commenced participation in Exercise "Dawn Patrol 71" with several NATO units on 23 April. Upon completion of this exercise on 12 May, Volador visited Piraeus
Piraeus
Piraeus is a city in the region of Attica, Greece. Piraeus is located within the Athens Urban Area, 12 km southwest from its city center , and lies along the east coast of the Saronic Gulf....

, Greece
Greece
Greece , officially the Hellenic Republic , and historically Hellas or the Republic of Greece in English, is a country in southeastern Europe....

; Augusta Bay
Augusta Bay, Sicily
coordinates: 37°13'N 15°14'E The Augusta Bay is located on the east coast of Sicily, Italy, about 270 nm south-southeast of Naples.It is the location of the Auguate Bay Port Facility which supports the Sixth Fleet of the US Navy. The facility is distributed among Porto Megarese, Porto Xifonio and...

, Sicily
Sicily
Sicily is a region of Italy, and is the largest island in the Mediterranean Sea. Along with the surrounding minor islands, it constitutes an autonomous region of Italy, the Regione Autonoma Siciliana Sicily has a rich and unique culture, especially with regard to the arts, music, literature,...

; Palma, Majorca; Villefranche
Villefranche-sur-Mer
Villefranche-sur-Mer is a commune in the Alpes-Maritimes department in the Provence-Alpes-Côte d'Azur region on the French Riviera.-Geography:...

, France
France
The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

; Gibraltar
Gibraltar
Gibraltar is a British overseas territory located on the southern end of the Iberian Peninsula at the entrance of the Mediterranean. A peninsula with an area of , it has a northern border with Andalusia, Spain. The Rock of Gibraltar is the major landmark of the region...

; Naples
Naples
Naples is a city in Southern Italy, situated on the country's west coast by the Gulf of Naples. Lying between two notable volcanic regions, Mount Vesuvius and the Phlegraean Fields, it is the capital of the region of Campania and of the province of Naples...

, Italy
Italy
Italy , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and...

; and Málaga
Málaga
Málaga is a city and a municipality in the Autonomous Community of Andalusia, Spain. With a population of 568,507 in 2010, it is the second most populous city of Andalusia and the sixth largest in Spain. This is the southernmost large city in Europe...

, Spain
Spain
Spain , officially the Kingdom of Spain languages]] under the European Charter for Regional or Minority Languages. In each of these, Spain's official name is as follows:;;;;;;), is a country and member state of the European Union located in southwestern Europe on the Iberian Peninsula...

; and returned to Rota on 19 July for turnover. Volador departed for Charleston, South Carolina, on 21 July after spending three months in the Mediterranean Sea. On 1 August, she was diverted from her homeward transit to render assistance to the tanker M/T Lacon, a Liberia
Liberia
Liberia , officially the Republic of Liberia, is a country in West Africa. It is bordered by Sierra Leone on the west, Guinea on the north and Côte d'Ivoire on the east. Liberia's coastline is composed of mostly mangrove forests while the more sparsely populated inland consists of forests that open...

n vessel which was on fire. Volador arrived at Charleston on 5 August and began a period of leave and upkeep until 20 September when she entered the Charleston Naval Shipyard
Charleston Naval Shipyard
Charleston Naval Shipyard was a U.S. Navy ship building and repair facility located along the west bank of the Cooper River, in North Charleston, South Carolina and part of Naval Base Charleston...

, commencing a regular overhaul and battery renewal.

Transfer to Italy

On 18 August 1972, Volador was transferred to Italy. She was stricken from the Naval Vessel Register
Naval Vessel Register
The Naval Vessel Register is the official inventory of ships and service craft in custody of or titled by the United States Navy. It contains information on ships and service craft that make up the official inventory of the Navy from the time a vessel is authorized through its life cycle and...

 on 5 December 1977.

Volador and were transferred and commissioned into the Italian Navy
Marina Militare
The Italian Navy is the navy of the Italian Republic. It is one of the four branches of military forces of Italy; formed in 1946, from what remained of the Regia Marina . As of 2008, the Italian Navy had 35,200 active personnel with 180 commissioned ships, 19 Floating Docks, and 123 aircraft...

 at the same time. Some civilian sources disagree as which of them became Primo Longobardo (S-501) and which became Gianfranco Gazzana Priaroggia (S-502). The United States Department of the Navy
United States Department of the Navy
The Department of the Navy of the United States of America was established by an Act of Congress on 30 April 1798, to provide a government organizational structure to the United States Navy and, from 1834 onwards, for the United States Marine Corps, and when directed by the President, of the...

's Naval Historical Center maintains that Pickerel became Primo Longobordo and Volador became Gianfranco Gazzana Priaroggia. Gianfranco Gazzana Priaroggia was stricken in 1981.
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