STK102320MU.S. Army Soldiers prepare to board a UH-60 Black Hawk helicopter.
STK102303MU.S. Army Sergeants secure a helicopter landing zone for a CH-47 Chinook.
STK102222MAirman makes a tactical move during a coordinated security training exercise.
STK102219MA Bulgarian army soldier, scans the battlefield in front of him with his rocket-propelled grenade launcher.
STK102218MU.S. Navy Diver engages the target during tactical formation training.