Tactical Response Force Airmen from the 741st Missile Security Forces Squadron line up outside a UH-1N Iriquois to provide ground security at a mock launch facility July 6, 2016, at Malmstrom Air Force Base, Mont. TRF Airmen must pass a rigorous tryout process to make the elite security team. (U.S. Air Force photo/Staff Sgt. Delia Marchick)