A countermeasure deployed by aircraft to decoy infrared-seeking weapons systems and missiles.

SUFFOLK, England -- F-15E Strike Eagles launch chaffs and flares while flying toward the Royal Air Force Holbeach bombing range, Aug. 10 to practice for the upcoming Excalibur bombing competition.  Airmen from the 494th Fighter Squadron at Lakenheath, England, are participating in the competition that was developed to foster friendly relations and showcase visual bombing skills between U.S. Air Forces in Europe and NATO allies. (U.S. Air Force photo by Staff Sgt. Tony R. Tolley)