Petty Officer 1st Class Nicholas Sturges (left), gunner’s mate, and Petty Officer 3rd Class Amanda Herr (right), a boatswain's mate stationed at Port Security Unit 309 in Port Clinton, Ohio, fire a .50-caliber M2HP machine gun in the Gulf of Mexico Feb. 26, 2015. Coast Guard boat crews trained in and around the waters of MacDill Air Force Base, Fla., with assistance from the 6th Security Forces Squadron marine patrol. (U.S. Air Force photo by Senior Airman Ned T. Johnston/Released)