Airman 1st Class Kyle Dehaan, 633rd Security Forces Squadron entry control point guard, stands vigilant during exercise Coronet White at the entry control point in Raptor Town at Langley Air Force Base, Va., April 20. The Phase I and Phase II exercise was held to validate the full spectrum of Langley's deployment operations. (U.S. Air Force photo by Senior Airman John D. Strong II/Released)