USS Gamma (1863)
|Ordered:||as R. F. Loper|
|Laid down:||date unknown|
|Acquired:||3 June 1864|
|Fate:||sold, 25 October 1865|
|Draught:||depth of hold 6'|
Constructed as a tugboat in 1863
Gamma was built in 1863 as steamer R. F. Loper at Philadelphia, Pennsylvania.; purchased there 3 June 1864; renamed Gamma, but was also called Tug Number 3 and Picket Boat Number 3.
Assigned to the James River
Post-war decommissioning, sale, and subsequent career
She was sold by public auction at New York City 25 October 1865 to D. Trundy. Redocumented as merchant steamer Peter Smith 13 December 1865, she burned at New York City 9 May 1893.