Coast Guard Petty Officer 3rd Class Luke Charette, maritime enforcement specialist with Port Security Unit 301, receives instructions on how to acquire targets and move in a fire teams from Marine Sgt. Marcus Rodriguez, a squad leader with Marine Corps Security Forces Company, at U.S. Naval Station Guantanamo Bay, Cuba's Grenadillo Range Nov. 20.(Army National Guard photo by Sgt. David Bolton, 133rd Mobile Public Affairs Detachment/JTF-GTMO Public Affairs)