USS Asp (YFB-1) was originally named Nahma. It was a wooden motor boat built in New Orleans, Louisiana, in 1902. Acquired by the United States Navy the same year, she was assigned to the Louisiana Naval Militia, which she served until the outbreak of World War I.

History
United States
Name	USS Asp
Launched	1902
Commissioned	17 April 1917
Reclassified	YFB-1, July 1920
Fate	Sold, 24 March 1923
General characteristics
Type	Patrol boat
Length	72 ft (22 m)
Beam	12 ft (4 m)

Renamed Asp, she was placed in service, 17 April 1917, to operate in the New Orleans area as both a motor patrol boat and a ferry. After the Armistice, Asp continued to serve the 8th Naval District. Designated YFB-1 in July 1920, she was placed out of service and sold on 24 March 1923.