FILE--A U.S. pilot from 74th Fighter Squadron, Pope Air Force Base, N.C., looks on sitting in a cockpit of his A-10 Thunderbolt ground-attack plane at the U.S. Air Base Bagram in Afghanistan, Sunday, March 24, 2002. Two A-10 Thunderbolts were involved in a friendly fire incident with Canadian troops in Afghanistan on Monday, killing one soldier and injuring 30. (CP PICTURE ARCHIVE/AP/Mikhail Metzel)