The Disappearance of Flight 412 is a 1974 made-for-television science fiction drama film starring Glenn Ford, Bradford Dillman, David Soul and Guy Stockwell. The film was shown as an NBC World Premiere Movie in 1974.

Plot
U.S. Air Force Colonel Pete Moore (Glenn Ford) is the commander of the Whitney Air Force Base 458th Radar Test Group, which has been experiencing electrical difficulties aboard its aircraft. To find the problem, he sends a four-man crew on Flight 412, with Captain Bishop (David Soul) as commander. Lt Podryski (Greg Mullavey), Capt Riggs (Robert F. Lyons), and Lt Ferguson (Stanley Bennett Clay) are Bishop’s crew. Shortly into the test, the Grumman Gulfstream II jet, a small twin-engine VIP transport, picks up three blips on radar. Subsequently, two fighters scramble to investigate and mysteriously disappear.

At this point, Flight 412 is forced to land by an unnamed top-level military intelligence group that debunks UFO sightings (referred to throughout the film by their facility’s radio call sign “Digger Control”, though this is never implied to be the organization’s actual name), diverted to a remote, abandoned military airfield somewhere in the desert in the American Southwest. The crew is taken to a barracks building to undergo an 18-hour debriefing by members of a military Special Investigation Division (SID) team, which is more like an indoctrination to convince them that they did not see a UFO. Meanwhile, their aircraft is stored in a dilapidated hangar to hide it from search-and-rescue aircraft. To all appearances, Flight 412 has simply vanished into thin air. Colonel Moore, with the help of Major Mike Dunning (Bradford Dillman), sets out to find out what has happened to his crew.

Just as the government interrogation begins to raise doubts among the flight crew about the “flying saucer” sighting, Moore and Dunning find the secret base. Their efforts to release the crew are stymied by SID leader, Lieutenant Colonel Trottman (Guy Stockwell), who cites national security concerns. Bishop attempts to escape, but Trottman threatens to make things rough on his crew, who agree to accept a sanitized version of their report. After their release, when Dunning and Podryski choose to accept the report, the others: Moore, Bishop, Ferguson, and Riggs seek the help of General Enright (Kent Smith). Trottman appears and makes the case to the General that nothing untoward has happened. When a similar incident later occurs, the same process is employed; those who cooperate get promoted, while the others find that their careers suffer.

Cast
Glenn Ford as Colonel Pete Moore
Bradford Dillman as Major Mike Dunning
David Soul as Captain Roy Bishop
Robert F. Lyons as Captain Cliff Riggs
Guy Stockwell as Lieutenant Colonel Trottman
Greg Mullavey as Lieutenant Tony Podryski
Kent Smith as General Enright
Stanley Bennett Clay as 2nd Lieutenant Ferguson (credited as Stanley Clay)
Jonathan Goldsmith as Smith (credited as Jonathan Lippe)
Jack Ging as Green
Ken Kercheval as White
Edward Winter as Mr. Cheer