USS Finnegan (DE-307) was an constructed for 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...

 during World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

. She was sent off into the Pacific Ocean

Pacific Ocean

The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic in the north to the Southern Ocean in the south, bounded by Asia and Australia in the west, and the Americas in the east.At 165.2 million square kilometres in area, this largest division of the World...

 to protect convoy

Convoy

A convoy is a group of vehicles, typically motor vehicles or ships, traveling together for mutual support and protection. Often, a convoy is organized with armed defensive support, though it may also be used in a non-military sense, for example when driving through remote areas.-Age of Sail:Naval...

s and other ships from Japanese

Empire of Japan

The Empire of Japan is the name of the state of Japan that existed from the Meiji Restoration on 3 January 1868 to the enactment of the post-World War II Constitution of...

 submarines and fighter aircraft

Aircraft

An aircraft is a vehicle that is able to fly by gaining support from the air, or, in general, the atmosphere of a planet. An aircraft counters the force of gravity by using either static lift or by using the dynamic lift of an airfoil, or in a few cases the downward thrust from jet engines.Although...

. She performed escort and antisubmarine operations in dangerous battle areas and returned home with three well-earned battle stars.

She was named after Chief Radio Electrician William Michael Finnegan who was killed during the Japanese attack on 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...

; was launched on 22 February 1944 by Mare Island Navy Yard; sponsored by Mrs. Charles Schroeder, sister of Ensign Finnegan; and commissioned on 19 August 1944, Lieutenant Commander Hoffman, USNR, in command.

World War II Pacific Theater operations

Finnegan arrived at Pearl Harbor on 8 November 1944 to serve as escort for submarines conducting training exercises prior to their war patrols. She voyaged to Midway Island escorting a transport between 11 and 20 December, then returned to duty with submarines until 9 January 1945. After amphibious

Amphibious warfare

Amphibious warfare is the use of naval firepower, logistics and strategy to project military power ashore. In previous eras it stood as the primary method of delivering troops to non-contiguous enemy-held terrain...

 training exercises in the Hawaiian Islands

Hawaiian Islands

The Hawaiian Islands are an archipelago of eight major islands, several atolls, numerous smaller islets, and undersea seamounts in the North Pacific Ocean, extending some 1,500 miles from the island of Hawaii in the south to northernmost Kure Atoll...

, Finnegan sailed escorting a group of LSTs and submarine chaser

Submarine chaser

A submarine chaser is a small and fast naval vessel specially intended for anti-submarine warfare. Although similar vessels were designed and used by many nations, this designation was most famously used by ships built by the United States of America...

s, two of which she towed for parts of the passage to Saipan

Saipan

Saipan is the largest island of the United States Commonwealth of the Northern Mariana Islands , a chain of 15 tropical islands belonging to the Marianas archipelago in the western Pacific Ocean with a total area of . The 2000 census population was 62,392...

.

Supporting the Iwo Jima operations

On 15 February 1945, the escort ship sailed from Saipan for the assault on Iwo Jima

Iwo Jima

Iwo Jima, officially , is an island of the Japanese Volcano Islands chain, which lie south of the Ogasawara Islands and together with them form the Ogasawara Archipelago. The island is located south of mainland Tokyo and administered as part of Ogasawara, one of eight villages of Tokyo...

, during which she screened transports as they launched their boats for the initial invasion on 19 February.

Sinking of Japanese Submarine I-370

On 26 February, while escorting empty transports to Saipan, Finnegan made a surface contact by 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...

, and was detached from the screen to locate and sink in a four-hour attack, in 22°45′N 141°27′E.

Supporting invasion of Okinawa operations

From Saipan, Finnegan screened the transports on to Espiritu Santo, arriving 15 March 1945. She sailed ten days later for Ulithi

Ulithi

Ulithi is an atoll in the Caroline Islands of the western Pacific Ocean, about 191 km east of Yap. It consists of 40 islets totalling , surrounding a lagoon about long and up to wide—at one of the largest in the world. It is administered by the state of Yap in the Federated States of...

, the vast base from which the Okinawa assault was staged, and on 9 April, she reached the newly assaulted island. Sailing on anti-submarine patrols, as well as screening assault shipping, Finnegan fired to drive off a would-be suicide plane

Kamikaze

The were suicide attacks by military aviators from the Empire of Japan against Allied naval vessels in the closing stages of the Pacific campaign of World War II, designed to destroy as many warships as possible....

 on 28 May. On 10 July she departed Okinawa for duty in the Philippines

Philippines

The Philippines , officially known as the Republic of the Philippines , is a country in Southeast Asia in the western Pacific Ocean. To its north across the Luzon Strait lies Taiwan. West across the South China Sea sits Vietnam...

 on local escort and patrol assignments until 15 September.

Post-War decommissioning

Finnegan then sailed for Eniwetok, Pearl Harbor, and 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...

, where she was decommissioned and placed in reserve on 27 November 1945. She was sold for scrapping in June 1946.