hey were on a secret mission to Vietnam. On March 14, 1962, 93 Ranger-trained U.S. Army communications specialists boarded a Lockheed Super Constellation at Travis Air Force Base, Calif., vanished. One of history’s largest air and sea searches turned up nothing. The only evidence of a mishap came from sailors on a tanker who reported seeing a bright flash in the sky along the predicted flight path of the airliner.
