Flak Bait, the Martin B-26 Marauder, and the Two Hundred and Two Missions That Made the Most-Flown American Bomber of the European War

At the Smithsonian’s Steven F. Udvar-Hazy Center in Chantilly, Virginia, a battered nose section sits in the Mary Baker Engen Restoration Hangar behind viewing windows. It is not polished. It is not pristine. It is Flak Bait, serial number 41-31773, a Martin B-26 Marauder that flew 202 combat missions over occupied Europe - more than any other American military aircraft in the entire European Theater of Operations. Smithsonian restoration specialists have documented more than 1,000 individual wartime repairs to the airframe. Every patch is the record of a German shell burst that found the airplane and failed to bring it down.

Why the B-26 Marauder Was Nearly Cancelled Before It Ever Flew Combat

The Glenn L. Martin Company submitted their B-26 design to the Army Air Corps in July 1939 under an unusual procurement requirement: no prototype phase. The Army wanted a production-ready aircraft fast - they were watching Europe and didn’t like what they saw. Martin delivered. The aircraft featured a cylindrical low-drag fuselage, two Pratt & Whitney R-2800 radial engines, and a design philosophy centered on one objective: speed.

That speed came at a cost. The early B-26 had a wing loading of roughly 53 pounds per square foot. The Boeing B-17 Flying Fortress came in around 38 pounds per square foot. Wing loading is simply the ratio of an aircraft’s weight to its wing area - more weight per square foot means higher minimum flying speeds and less margin when things go wrong near the ground. The B-26 demanded more from its pilots from the start, especially on takeoff, on landing, and with an engine out.

The aircraft made its first flight on November 25, 1940, and flew beautifully - in the hands of a properly trained, experienced pilot. By 1942, that qualification had become a serious problem.

The Training Accident Crisis at MacDill Field

The United States was expanding its air forces at a pace the prewar training system was never built to sustain. Young pilots arrived at operational units with far fewer hours than standards had previously required, and then someone handed them a B-26. Training accidents began accumulating at MacDill Field in Tampa, Florida, one of the primary B-26 training bases. A grim saying started circulating among crews: one a day in Tampa Bay. It wasn’t literally accurate. It was close enough to be demoralizing.

Engine failures on takeoff - in a heavily loaded aircraft with undertrained pilots and minimal speed margins - were turning into crashes that killed crews before they ever reached combat. The reports reached Congress. A subcommittee investigation was launched, and serious voices called for the program’s cancellation.

How Proper Training Reversed the B-26’s Reputation

The aircraft was not cancelled. What happened instead was a systematic overhaul of how the B-26 was taught. Instructors who genuinely understood the airplane rebuilt the curriculum from the ground up. The emphasis shifted to precise speed management, single-engine procedures, and the specific techniques that made the B-26 survivable rather than lethal. Pilots learned to respect its numbers: minimum control speeds, approach speeds, single-engine performance limits. They stopped flying it like a forgiving primary trainer and started flying it like the high-performance machine it was.

Martin also redesigned later production aircraft with a longer wing, adding area and reducing wing loading. The changes weren’t dramatic, but combined with improved training, they were enough.

The combat record that followed stands as one of the great reversals in aviation history. By the war’s end in Europe, the B-26 had achieved one of the lowest combat loss rates per sortie of any American bombing aircraft in the entire war - lower than the B-17, lower than the Consolidated B-24 Liberator. The airplane that nearly got cancelled for being too dangerous had become, in actual combat, extraordinarily hard to kill.

Flak Bait’s Assignment and the Brutal Introduction to Combat

Flak Bait arrived in England in early 1943, assigned to the 449th Bombardment Squadron, 322nd Bomb Group, Ninth Air Force. The 322nd was among the first B-26 groups to fly combat in the European Theater, and their introduction to the war was brutal.

In May 1943, the group was ordered on low-level missions against industrial targets in the Netherlands. The tactical premise was that high speed at low altitude would confuse German defenses. It did not. At low altitude, German anti-aircraft crews had clear shooting angles, and the B-26’s speed advantage nearly disappeared on the deck. On a mission against a power station at Ijmuiden, the group dispatched 11 aircraft. The losses were near-total.

The tactics changed. B-26 groups moved to medium-altitude operations, between 10,000 and 15,000 feet, and that change made the difference. From medium altitude, using tight formation bombing, the groups were effective. Fighters had to work harder to press attacks into a formation. Flak was still lethal, but routes around it were possible. And the B-26, flying where it was designed to fly, started showing the qualities that would make it famous.

202 Missions Over Occupied Europe

Flak Bait flew her first combat mission in May 1943. Over the months that followed, she flew regularly - over France, Belgium, the Netherlands, and Germany. Rail yards, bridges, airfields, coastal fortifications, fuel storage, communication centers. The targets that, piece by piece, were meant to strangle the German ability to move men and materiel across occupied Europe.

The German anti-aircraft system was extensive, effective, and lethal. 88mm guns that could reach up through 25,000 feet. Smaller-caliber weapons at lower altitudes. Flak came in bursts that scattered metal fragments across hundreds of cubic feet of airspace. Flak Bait flew through that airspace on mission after mission, came home with holes, and the ground crew patched them.

Those ground crews deserve more of the story than they typically receive. The crew chief and his mechanics met the aircraft when it taxied in after every mission, assessed the damage, determined what was cosmetic and what was structural, fabricated patches from aluminum sheet, and certified the airplane airworthy for the next sortie. For an aircraft that came home with fresh holes on a regular basis, that was an enormous amount of skilled, continuous work. They kept Flak Bait in the fight as surely as anyone who flew her.

On June 6, 1944, Flak Bait flew in support of the landings at Normandy. The 322nd and the other B-26 groups of the Ninth Air Force were tasked with suppressing German coastal defenses, hitting troop concentrations, and keeping the Luftwaffe occupied while the men on the beaches fought their way ashore. Flak Bait flew that day. She came back.

She kept coming back - through D-Day plus one, through the summer and fall of 1944, into 1945, as the Allied armies pushed east across France and into Germany. When Germany surrendered in May 1945, the 322nd had one aircraft that had flown more combat missions than any other in their inventory: 202. The name painted on the nose was Flak Bait.

The Restoration at Udvar-Hazy and Why It Matters

The nose section came to the Smithsonian and was displayed for years at the National Air and Space Museum on the National Mall in Washington. The rest of the airframe sat in storage at the Paul E. Garber Preservation, Restoration and Storage Facility in Suitland, Maryland, waiting for the resources a full restoration would require.

That restoration is now underway at Udvar-Hazy. The Smithsonian has made it a public-facing project - visitors stand at the viewing windows and watch professional restoration specialists work on the artifact in real time. Nearly 5,000 B-26 Marauders were built over the production run. After the war, almost all were scrapped. Today, Flak Bait is the only combat-veteran B-26 Marauder in the United States.

The patches the restoration team is stabilizing are original wartime repairs. Each one is the record of a specific mission, a specific burst of flak, a specific moment when German gunners found the airplane and it flew home anyway. This is not a reproduction. It is not a recreation. It is the thing itself - the actual aluminum skin that was over Normandy in June 1944, the actual nose the crews looked at before climbing aboard for their 87th mission, or their 123rd, or their 198th.

Reproductions have their place. They let you see what a type looked like, convey scale, help you understand what crews experienced. But standing in front of the actual artifact is different. That difference is the point.

Key Takeaways

Flak Bait flew 202 combat missions over occupied Europe, more than any other American military aircraft in the European Theater of Operations.
The Martin B-26 Marauder’s early reputation for danger was driven largely by undertrained pilots and misapplied tactics, not fundamental design failure - a problem solved by proper training and tactical adjustment.
More than 1,000 individual wartime repairs have been documented on Flak Bait’s airframe, each one a physical record of a mission survived.
By war’s end, the B-26 achieved one of the lowest combat loss rates per sortie of any American bomber in Europe, outperforming both the B-17 and B-24.
Flak Bait is the only surviving combat-veteran B-26 Marauder in the United States, currently undergoing public-facing restoration at the Smithsonian’s Udvar-Hazy Center in Chantilly, Virginia.

Sources: Smithsonian National Air and Space Museum Flak Bait restoration documentation; Air Force Historical Research Agency records on the 322nd Bomb Group; Roger Freeman’s historical work on American bomber operations in the European Theater.