SHAW AIR FORCE BASE, S.C. -- Captain Matthew Feeman, an F-16 alert pilot from Shaw's 55th Fighter Squadron, approaches a Cessna airplane, flown by South Carolina's Civil Air Patrol, to initiate a "head butt" as part of exercise Fertile Keynote Nov. 19. A head butt is an action taken by the intercepting aircraft, after other communications like radio contact have failed, to redirect the intruder in the appropriate direction. Shaw Airmen supporting the alert mission, from maintainers to pilots, standby 'round the clock in case they are needed. "We have to be ready if the alarm goes off at 2:30 in the morning," said Master Sgt. William Martin, alert NCO-in-charge. "I want everything to be ingrained in them so they can get the mission done." (U.S. Air Force photo/Senior Airman Michael Cowley)