55th Rescue Squadron takes off
U.S. Air Force Airman 1st Class Anthony Krombel, 923 Aircraft Maintenance Squadron crew chief, performs a pre-flight inspection before a HH-60 Pave Hawk takes off at Davis-Monthan Air Force Base, Ariz., March 21, 2012. Depending on the mission, a typical rescue crew may include a pilot, co-pilot, flight engineer, aerial gunner and two pararescuemen. (U.S. Air Force photo by Airman 1st Class Camilla Griffin/Released)