U.S. Air Force Senior Airman Stephen Teamer, assigned to the 3rd Aircraft Maintenance Squadron, rushes to an aircraft hangar as 1st Lt. Daniel Harp, an F-22 Raptor pilot assigned to the 525th Fighter Squadron, suits up at the Combat Alert Center on Joint Base Elmendorf-Richardson, Alaska, Jan. 23, 2015. Within minutes of an alert, Airmen in the CAC spring into action and launch F-22 Raptors to intercept aircraft entering U.S. airspace or potential airborne threats. (U.S. Air Force photo/Justin Connaher/Released)