USS Neptune (1863)

Allegany (formerly USS Neptune) in postwar merchant service
History
United States
Name	USS Neptune
Namesake	Previous name retained
Launched	11 Feb 1863
Acquired	17 July 1863
Commissioned	19 December 1863
Decommissioned	31 May 1865
Fate	Sold 12 July 1865 Stranded 5 December 1865
General characteristics
Displacement	1,244 long tons (1,264 t)
Length	209 ft (64 m)
Beam	34 ft 6 in (10.52 m)
Depth of hold	20 ft 8 in (6.30 m)
Propulsion	steam engine screw-propelled
Speed	11 knots (20 km/h; 13 mph)
Complement	173
Armament	one 100-pounder gun two 30-pounder Parrott rifles eight 32-pounder guns
Armor	wood

USS Neptune was a large steamer, with powerful guns and a large crew, acquired by the United States Navy for service with the Union Navy during the American Civil War. She served the Navy primarily, as an armed escort vessel in the West Indies for Union Navy and commercial ships traveling through that area on their way to and from California.