STK102222MAirman makes a tactical move during a coordinated security training exercise.
STK102386MU.S. Air Force Airman fires an FNMI 7.62 mm M240B machine gun.
STK102379MU.S. Air Force Airman looks through a set of binoculars.
STK103728MA U.S. Air Force maintenance crew performs post flight checks on a B-52 Stratofortress.
STK103749MU.S. Navy Chief Naval Aircrewman mans the starboard gun aboard an HH-60H Seahawk helicopter.