The Cornfield Bomber and the F-one oh six Delta Dart that landed itself in a Montana field after the pilot punched out

On February 2, 1970, a Convair F-106 Delta Dart recovered from an unrecoverable flat spin, flew itself to the ground, and landed gear-up in a snow-covered Montana wheat field — with no one in the cockpit. The pilot, Captain Gary Foust, had ejected moments earlier. The incident earned the aircraft its legendary nickname: the Cornfield Bomber.

What Was the F-106 Delta Dart?

The F-106 Delta Dart was the last dedicated interceptor the United States Air Force ever built. Stationed at bases across the country during the Cold War, its mission was simple: scramble fast, climb hard, and destroy Soviet bombers before they reached American soil.

The aircraft was a single-seat, single-engine interceptor powered by a Pratt & Whitney J75 turbojet capable of pushing past Mach 2. Its distinctive delta wing and long pointed nose made it one of the most recognizable fighters of its era. Pilots who flew the Delta Dart were overwhelmingly fond of it.

The 59th Fighter Interceptor Squadron at Malmstrom Air Force Base in Great Falls, Montana kept a flight of F-106s on constant alert. On that cold February day, a group of Delta Darts launched on a routine training intercept mission.

What Went Wrong During the Training Mission?

Captain Gary Foust, an experienced F-106 pilot, was running practice intercepts — high-G maneuvering, radar work, simulated dogfighting. During hard maneuvering at the edge of the aircraft’s envelope, the Delta Dart departed controlled flight and entered a flat spin.

A flat spin is among the most dangerous situations a pilot can face. Unlike a conventional spin where the nose points down and gravity aids recovery, a flat spin keeps the aircraft nearly level, rotating like a disc. Control surfaces become ineffective in the disturbed airflow. Stick inputs do nothing. Rudder inputs do nothing. The aircraft simply rotates and descends, and the altimeter unwinds rapidly.

Foust attempted every recovery technique available. He pushed the stick forward, applied opposite rudder, and deployed the drag chute — a technique some F-106 pilots had used successfully. Nothing worked. The aircraft continued spinning through 15,000 feet, then 12,000, then 10,000.

Why Did Gary Foust Eject?

At approximately 8,000 feet above ground level, Foust made the decision every fighter pilot dreads. He pulled the ejection handle. The canopy blew off, the seat fired, and he separated from the aircraft. His parachute opened in the freezing Montana air.

What happened next defied every expectation.

How Did the F-106 Recover and Land Itself?

When Foust ejected, the removal of his body weight and the loss of the canopy fundamentally changed the aircraft’s aerodynamics and center of gravity. That combination broke the spin. The F-106’s nose dropped, the rotation stopped, and the aircraft transitioned into a gentle, wings-level descent.

The engine was still running at idle power. With no pilot fighting the controls and adding unpredictable inputs, the delta wing found its own equilibrium. The aircraft descended smoothly, struck the snow-covered ground in a farmer’s field outside Big Sandy, Montana, and slid to a stop belly-down. No fire. No explosion. The engine was still running when the first people reached it.

A local deputy sheriff was among the first on scene. He later described the eerie sound of the jet engine idling in the middle of empty farmland — a low whine carrying across the snow, leading him over a rise to find a U.S. Air Force interceptor sitting alone in a field.

The farmer, a man named Lethert, found his quiet property suddenly transformed into the center of a military recovery operation surrounded by curious neighbors. Foust landed by parachute a few miles away, cold and shaken but uninjured.

What Explains the Self-Recovery?

Air Force engineers developed a compelling explanation. Several factors combined simultaneously:

• Foust’s ejection shifted the center of gravity just enough to change the spin dynamics
• The open cockpit (with the canopy gone) altered the aerodynamic profile
• Idle engine thrust provided just enough forward momentum that once the spin broke, the delta wing naturally sought stable flight
• The F-106’s clean aerodynamic shape made it an inherently stable platform at idle power in a gentle descent

The fundamental principle at work is one taught on the first day of flight training: a stable airplane wants to return to trimmed flight. Remove the pilot adding conflicting control inputs to an aircraft fighting to recover, and the aerodynamics can do the rest.

What Happened to the Cornfield Bomber?

The Air Force dispatched a recovery team to Big Sandy. They found tail number 58-0787 in remarkably good condition. The belly was scraped and the underside sustained some damage, but the airframe was structurally sound. The team disassembled the aircraft, trucked it back to Malmstrom, and repaired and returned it to active service. The F-106 flew operationally for years after its pilotless landing.

Someone dubbed it the Cornfield Bomber — a misnomer on two counts, since it landed in a wheat field and was technically an interceptor, not a bomber. But the name stuck because it was simply too good to correct.

After retirement from active duty, tail number 58-0787 found a permanent home at the National Museum of the United States Air Force at Wright-Patterson Air Force Base in Dayton, Ohio, where it remains on display today. Visitors can walk up to the aircraft and examine the belly that once skidded across a Montana wheat field.

Why the Cornfield Bomber Story Endures

Unlike most hangar tales that grow with each retelling, the Cornfield Bomber story is thoroughly documented through Air Force records, eyewitness accounts, and the preserved aircraft itself. It remains one of the most extraordinary incidents in military aviation history — an aircraft in an unrecoverable spin that recovered itself, descended under its own power, and landed in a field with no flight computer, no autopilot, and no fly-by-wire system. Just aerodynamics, a J75 turbojet that kept running, and a delta wing that remembered how to fly.

Key Takeaways

• On February 2, 1970, an F-106 Delta Dart recovered from a flat spin and landed itself after Captain Gary Foust ejected near Malmstrom AFB, Montana
• The ejection itself caused the recovery — the shift in weight and aerodynamics broke the spin and allowed the delta wing to find stable flight
• The aircraft landed gear-up in a snow-covered field near Big Sandy, Montana, with its engine still running and sustained only minor damage
• Tail number 58-0787 was repaired and returned to service, flying for years before retiring to the National Museum of the United States Air Force in Dayton, Ohio
• The incident demonstrates a fundamental aerodynamic principle: a stable aircraft, free from conflicting control inputs, will seek trimmed flight on its own