John E. Hart was an officer in 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 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...

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Hart was appointed a midshipman

Midshipman

A midshipman is an officer cadet, or a commissioned officer of the lowest rank, in the Royal Navy, United States Navy, and many Commonwealth navies. Commonwealth countries which use the rank include Australia, New Zealand, South Africa, India, Pakistan, Singapore, Sri Lanka and Kenya...

 23 February 1841. He served on various ships of the fleet, and was appointed Lieutenant Commander July 1862. Commanding USS Albatross

USS Albatross (1861)

USS Albatross was a screw steamer rigged as a three-masted schooner acquired by the Union Navy during the beginning of the American Civil War. She was outfitted as a gunboat with heavy guns and used in the Union blockade of the waterways of the Confederate States of America.- Built in Mystic,...

, Hart served in the West Gulf Blockading Squadron during the Civil War and engaged two 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...

 steamers in the Red River

Red River (Mississippi watershed)

The Red River, or sometimes the Red River of the South, is a major tributary of the Mississippi and Atchafalaya Rivers in the southern United States of America. The river gains its name from the red-bed country of its watershed. It is one of several rivers with that name...

 near Fort DeRussey 4 May 1863. He died of fever contracted on duty in the 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...

11 June 1863.