USS Elk (1863) was a steamer acquired by the Union Navy

Union Navy

The Union Navy is the label applied to the United States Navy during the American Civil War, to contrast it from its direct opponent, the Confederate States Navy...

 during the American Civil War

American Civil War

The American Civil War was a civil war fought in the United States of America. In response to the election of Abraham Lincoln as President of the United States, 11 southern slave states declared their secession from the United States and formed the Confederate States of America ; the other 25...

. She was used by the Union Navy as a 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...

 and patrol vessel on Confederate

Confederate States of America

The Confederate States of America was a government set up from 1861 to 1865 by 11 Southern slave states of the United States of America that had declared their secession from the U.S...

 waterways.

Acquisition and name change to Elk

Elk, a side wheel steamer, was purchased by Admiral David Dixon Porter

David Dixon Porter

David Dixon Porter was a member of one of the most distinguished families in the history of the United States Navy. Promoted as the second man to the rank of admiral, after his adoptive brother David G...

 8 December 1863 as Countess. She was renamed Elk 26 January 1864, and commissioned 6 May 1864, Lieutenant Commander J. H. Gillis in command.

Assigned to the West Gulf Blockade

Assigned to the West Gulf Blockading Squadron, Elk operated in the waters off 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...

, and Mobile, Alabama

Mobile, Alabama

Mobile is the third most populous city in the Southern US state of Alabama and is the county seat of Mobile County. It is located on the Mobile River and the central Gulf Coast of the United States. The population within the city limits was 195,111 during the 2010 census. It is the largest...

, and in the lower Mississippi River

Mississippi River

The Mississippi River is the largest river system in North America. Flowing entirely in the United States, this river rises in western Minnesota and meanders slowly southwards for to the Mississippi River Delta at the Gulf of Mexico. With its many tributaries, the Mississippi's watershed drains...

. She was constantly on the move and frequently traded fire with Confederate forces, exchanging shots with batteries off Dog River

Dog River (Alabama)

The Dog River is a river in Mobile County, Alabama. The Dog River watershed drains more than . The river is about long and is influenced by tides. It originates at within the city of Mobile. It discharges into Mobile Bay, a tidal estuary on the northern Gulf of Mexico, at near Hollinger's Island...

 11 March 1865, and shelling enemy pickets at Cedar Point, Florida, on 18 and 19 March. She also captured two vessels while on patrol and sent them into New Orleans for condemnation.

Fighting fires ashore during an emergency in Mobile, Alabama

When the magazine and ordnance stores in Mobile blew up 25 May 1865 setting fire to cotton

Cotton

Cotton is a soft, fluffy staple fiber that grows in a boll, or protective capsule, around the seeds of cotton plants of the genus Gossypium. The fiber is almost pure cellulose. The botanical purpose of cotton fiber is to aid in seed dispersal....

and cotton presses and causing a general conflagration, men from Elk's crew went ashore to fight fires.

After the war, Elk was laid up at New Orleans, and was sold there 24 August 1865.