Construction
''Gallatin'' was laid down at Avondale Shipyards on 17 April 1967, as the seventh ship of her class. She was launched on 18 November 1967 and was commissioned on 20 December 1968.Design
The ship is designed as a high endurance cutter. Her cruising range of at ), and an flight deck, capable of handling helicopters, make the ship an ideal platform for extended patrol missions. ''Gallantin'' was one of the first naval vessels built with a combined diesel or gas (CODOG) turbine propulsion plant. Her engineering plant includes two diesel engines, and two gas turbines, which can achieve a top speed of . Two diameter controllable pitch propellers, combined with a retractable and rotatable bow propulsion unit, give the ship high maneuverability. The ship's capabilities are enhanced by advanced air search and surface search radars including the AN/SPS-73 digital surface radar system that incorporates a state of the art computerized collision avoidance system. She uses the Shipboard Command and Control System (SCCS) which uses a network of computers including large screen displays and a dedicated satellite network for communications. A closed circuit TV system enables the Commanding Officer to monitor flight deck operations, machinery conditions, towing, damage control, and related activities from the bridge.History
''Gallatin''s missions included enforcement of all U.S. maritime laws and treaties, fisheries conservation, marine pollution response, defense readiness, and search and rescue. ''Gallatin'' served with the United States Coast Guard until 31 March 2014, when she was decommissioned. On 7 May, she was transferred to the Nigerian Navy and renamed ''Okpabana''.Nigerian service
On 19 February 2016 NNS ''Okpabana'' recaptured the pirated tanker ''Maximus'' in the Gulf of Guinea, killing one pirate and capturing six others.Photos
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