(From left to right) Lt. Col. Jeff Warmka, Airborne Laser Test Bed Combined Test Force director; Doug Canning, ALTB CTF test conductor; Barry St. Germain, Boeing pilot; and Roc White, ALTB CTF test conductor, step to the ALTB aircraft Feb. 14, 2012, before starting engines for its final flight at Edwards Air Force Base, Calif. (U.S. Air Force photo/Rob Densmore)