Image 0 of 6A Marine assigned to the 1st Law Enforcement Battalion, I Marine Information Group, fires a M240B machine gun during a night live fire training exercise at Camp Pendleton, Calif. (Lance Cpl. Anabel Abreu Rodriguez/Marine Corps) Sgt. Alexis Barnes, a Paris, Illinois native and Patriot fire control enhance operator and maintainer with Battery Echo, 62nd Air Defense Artillery Regiment, 69th Air Defense Artillery Brigade, is recognized as the Soldier of the Week for her contribution to the unit’s success in meeting its training and qualification requirements at Fort Hood, Texas. (Sgt. Brandon Banzhaf/Army) U. S. Air Force Lt. Gen. Richard Clark (right), 3rd Air Force/17th Expeditionary AF commander, walks with Maj. Daniel Bergen (left), 323rd Expeditionary Reconnaissance Squadron commander, toward an MQ-9 Reaper, at Nigerien Air Base 101, Niger, (Staff Sgt. Joshua R. M. Dewberry/Air Force) Marines swim during the Sapper Leaders Course at Camp Pendleton, Calif. (Lance Cpl. Brienne Collins Miller/Marine Corps) Pennsylvania Air National Guard Staff Sgt. Equeno Ogle, with 148th Air Support Operations Squadron, sends coordinates to an AC-130U gunship during a live fire training mission as part of exercise Southern Strike at Camp Shelby Joint Forces Training Center near Hattiesburg, Miss. (Spc. Christopher Shannon/Army National Guard) Aviation Boatswain's Mate (Equipment) 3rd Class Nickolas Lim signals to launch an F/A-18F Super Hornet, assigned to the "Fighting Checkmates" of Strike Fighter Squadron (VFA) 211, from the flight deck aboard USS Harry S. Truman (CVN 75). (Mass Communication Specialist 2nd Class Anthony Flynn/Navy)