A UH-1N Iroquois from the 1st Helicopter Squadron at Joint Base Andrews, Md., flies past The Pentagon on February 13, 2012 in Arlington, Va. The 1HS UH-1N is a light-lift utility helicopter used to airlift emergency security and disaster response forces, and airlift for distinguished visitors. (U.S. Air Force Photo by Senior Airman Perry Aston)(Released)