Operation Tidal Wave, the B-24 Liberators That Flew Into the Flak at Fifty Feet, and the Five Medals of Honor Won Over Ploesti on August First Nineteen Forty-Three

Operation Tidal Wave, flown on August 1, 1943, sent 178 Consolidated B-24 Liberators from Benghazi, Libya on a 1,200-mile mission to destroy the Ploesti oil refineries in Romania at fifty feet above the ground. The raid produced the highest single-mission loss rate in Army Air Forces history, killed more than 500 men, and generated five Medals of Honor in a single afternoon - a concentration of that decoration unmatched across all of American military history.

Why Ploesti Was a Strategic Target

The oil fields of Ploesti sat roughly 35 miles north of Bucharest. By the summer of 1943, they were supplying an estimated one-third of the Axis war machine’s refined petroleum - fuel for panzers, Messerschmitts, and submarines. Allied planners believed that destroying Ploesti could critically undermine Germany’s ability to move and fight.

Ploesti had been attacked before. In June 1942, 12 B-24 Liberators flying from Egypt ran a small probe against the refineries with negligible results. That mission carried an unintended consequence: it put the Germans on notice. By 1943, Ploesti was one of the most heavily defended targets on the European continent - hundreds of anti-aircraft guns, barrage balloon cables at multiple altitudes, and fighter bases within easy range.

The Low-Level Attack Plan

Rather than a conventional bomb run above 20,000 feet, planners called for the attacking force to come in at treetop level - fifty feet above the ground. The logic: fly below radar, below the effective depression angle of the heavy guns, fast in and out before fighters could organize.

Five bomb groups were assigned to the mission:

The 98th Bombardment Group (“Pyramidiers”), commanded by Colonel John “Killer” Kane
The 44th Group (“Flying Eightballs”), led by Colonel Leon Johnson
The 93rd Group (“Ted’s Travelling Circus”)
The 376th Group (“Liberandos”)
The 389th Group (“Sky Scorpions”)

178 aircraft. Approximately 1,700 men. They launched on the morning of August 1, 1943.

What Went Wrong Before the First Bomb Fell

The mission began unraveling over the Mediterranean. A lead aircraft carrying the mission’s primary navigator went into an uncontrolled dive and crashed into the sea; the deputy lead struck it going down. Two aircraft and two of the most experienced pathfinders were gone before the formation cleared the coast.

The remaining groups crossed Yugoslavia, climbed the mountains of Bulgaria, then descended toward Romania. The lead group - the 376th Liberandos - made a navigation error over Bulgaria, passing through the designated turning point valley and continuing north. By the time the error was recognized, the formation was approaching Bucharest, nearly 40 miles off course.

The correction cost more than position. German radar stations had tracked the formation since the Adriatic crossing. Defenders at Ploesti had more than an hour’s warning. Flak crews were at their guns. Fighter pilots were strapped in. The element of surprise the entire mission depended on was gone.

What Those Crews Flew Into

The refinery complexes sat in a valley the Germans had converted into a layered killing ground. Barrage balloon cables hung at multiple altitudes to snare low-flying aircraft. Flak towers were positioned inside the refinery buildings themselves, angled to put attacking aircraft at point-blank range on approach. Converted train cars carrying anti-aircraft guns were stationed along the rail lines throughout the area. Fighter squadrons circled above.

When the first aircraft reached the target area, the sky was already full of smoke - not from the attack, but from German smoke generators deliberately ignited to obscure the refineries.

The B-24 Liberator was a formidable aircraft: 110-foot wingspan, four Pratt & Whitney radials, maximum loaded weight near 60,000 pounds, and one of the war’s most capable long-range bombers. At fifty feet, none of those advantages applied. A B-24 crew at that altitude could not evade, could not maneuver sharply, had no altitude margin. They flew straight and hoped enough got through.

Some aircraft on approach were so low their propeller wash scattered haystacks in the Romanian fields below. Several crew accounts describe vegetation striking the bellies of aircraft.

Five Medals of Honor in One Afternoon

Lieutenant Colonel Addison Baker, formation leader for the 93rd Group, was flying a B-24 named Hell’s Wench when his aircraft was hit almost immediately on the approach run and caught fire. He had one viable option: turn the formation away, gain altitude, get his crew out.

He kept flying.

Baker held Hell’s Wench steady through the flak and over the Columbia Aquila refinery at rooftop height, his aircraft burning, maintaining his heading so the planes behind him could line up their attack. Hell’s Wench cleared the complex and went in. Baker and his co-pilot, Major John Jerstad, both died in the wreckage. Two Medals of Honor - posthumous, to both men, for the same act, on the same aircraft, in the same fire.

Second Lieutenant Lloyd Hughes of the 389th Group was on one of his first combat missions when his B-24 was struck on approach and fuel began streaming from the bomb bay and left wing. At fifty feet, with fuel venting along the belly of his aircraft and the burning refinery complex directly ahead, he pressed the attack. Hughes flew through the smoke and fire, released his bombs on the assigned target, and the fuel ignited. The aircraft burned and crashed in a dry riverbed at the edge of the refineries. Lloyd Hughes was 22 years old. Medal of Honor, posthumous.

Colonel John Kane of the 98th Group led his Pyramidiers through the Concordia Vega refinery in a B-24 named Hail Columbia. Crewmembers later described the flak as dense enough to walk on. Kane’s aircraft was hit repeatedly; he held the lead position, kept his formation steady, and flew through it - then got what remained of Hail Columbia back to North Africa. The aircraft was immediately grounded and written off. Medal of Honor - the only one of the five that was not posthumous.

Colonel Leon Johnson of the 44th Group reached Ploesti to find earlier waves had already struck. Several targets were burning. The sky was thick with smoke and debris. Some aircraft from the first attacks were still in the air over the complex. Johnson led his group through all of it and put his bombs on the Creditul Minier refinery. Medal of Honor - fifth of the afternoon.

Congress has awarded the Medal of Honor roughly 3,500 times across all of American military history. Five of those came from a single raid lasting less than an hour over Romania.

The Cost

Of the 178 aircraft that launched from Benghazi that morning, 54 were destroyed over Romania or crashed in the surrounding countryside. Many more returned with damage severe enough to ground them for weeks. More than 500 men were dead. Another 150 or more were wounded, captured, or interned in Turkey after diverting when they couldn’t make it home.

It was the highest single-mission loss rate in Army Air Forces history.

Did Operation Tidal Wave Succeed?

The damage was real. Six of the seven major refinery complexes were hit. Estimates put the reduction in refining capacity at around 40 percent. American commanders declared the mission a success.

The refineries were back near full production within weeks.

The Germans repaired what they could, rerouted what they couldn’t, and kept the oil moving. The Army Air Forces returned to Ploesti repeatedly over the following year - this time at high altitude, in conventional raids. It took until the summer of 1944, nearly 13 months of sustained bombing, to finally shut the Romanian oil complex down for good.

The strategic calculus remains debated. The low-level concept, whatever its logic on paper, sent large, unmaneuverable aircraft through a prepared killing ground at an altitude that stripped them of every defensive advantage heavy bombers normally carry. At 25,000 feet, a B-24 formation maintains defensive fire, formation integrity, and altitude margin. At fifty feet, none of that applied.

The men who flew that mission had been briefed on the defenses. They had seen the intelligence photographs. Some groups had already lost aircraft during low-level training runs. They knew what waited at the end of those 1,200 miles.

They went anyway.

Primary sources: James Dugan and Carroll Stewart, Ploesti; crew accounts archived at the American Air Museum, Imperial War Museums Duxford; official records held at the Air Force Historical Research Agency, Maxwell Air Force Base, Alabama.

Key Takeaways

Operation Tidal Wave (August 1, 1943) was a low-level B-24 raid on the Ploesti oil refineries in Romania, flown by 178 aircraft and approximately 1,700 men across five bomb groups
The mission produced the highest single-mission loss rate in Army Air Forces history: 54 aircraft destroyed, more than 500 men killed
Five Medals of Honor were awarded for actions during a single afternoon - a concentration unmatched anywhere in American military history; only one of the five, Colonel John Kane’s, was not posthumous
Despite hitting six of seven major refinery complexes and reducing capacity by an estimated 40 percent, the refineries returned to near-full production within weeks
Ploesti was not permanently shut down until the summer of 1944, after nearly 13 months of follow-on conventional high-altitude bombing campaigns