An UH-1N ""Huey"" helicopter from 37th Helicopter Squadron carries U.S. Defense Secretary Chuck Hagel to a missile alert facility in western Nebraska Jan. 9, 2014. Hagel visited F.E. Warren Air Force Base, Wyo., and the 90th Missile Wing to learn about the ICBM mission and the people who operate, maintain, secure and support the Minuteman III weapon system. (U.S. Air Force photo by R.J. Oriez)