purports to show the U.S. chasing a Canadian unidentified flying object (UFO) in order to shoot it down
USAF F-84 chased UFO, turned back and [...] UFOs is a secret motion picture film purporting to show a saucerlike UFO climbing steeply over Port Moresby, New [...] Daily papers headlined story that Air Defense Command had ordered its jet pilots to pursue, and if necessary "shoot down, " UFOs sighted anywhere in country (15).