Lt. Col. Eric Haagenson, Washington, D.C., Air National Guard pilot, inspects a flight harness before a simulated alert mission at the 113th Fighter Wing’s Aerospace Control Alert Detachment, Joint Base Andrews, Md., March 30, 2015. The 113th ANG reached 5,000 alert missions, March 21, 2015, as part of an air defense system for the nation’s capital. (U.S. Air Force photo/Airman 1st Class Philip Bryant)