A Sailor conducts a test fire of a 25 mm machine gun.

ATLANTIC OCEAN (Apr. 21, 2012) Gunner's Mate Seaman Apprentice Travis Locker conducts a test fire of a 25 mm machine gun, on the main deck of the guided-missile frigate USS Simpson (FFG 56). Simpson, homeported in Mayport, Fla., is conducting theater security cooperation and maritime security operations in the U.S. Naval Forces Africa area of responsibility. (U.S. Navy photo by Mass Communication Specialist Seaman Brian T. Glunt) File# 120421-N-RN782-206