Covering up the Largest Loss by a USAAF Group in World War II

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A Brief History

On September 27, 1944, The Kassel Mission, which resulted in the largest loss by a United States Army Air Forces (USAAF) group on any mission in World War II, was so successfully covered up that even today few non-WWII experts are even aware it occurred.

Digging Deeper

The USAAF conducted roughly twenty bombing raids over Kassel, Germany from 1942 through 1945.  These raids resulted in severe fires, the deaths of at least 10,000 inhabitants of the city, and the destruction of much of the city center.  Eventually, as the war began to conclude, American and British forces took the city following a battle from April 1st through 2nd, 1945.  Nazi Germany lost at least fifty killed in the battle and another 5,600 taken as prisoners of war.  In the final land battle that took the city, Allied losses were light.

Two people observing fires ravaging the Bettenhausen district after bombing

That was not the case on September 27, 1944.

In a battle that lasted perhaps just minutes, America’s 445th Bomb Group suffered the worst losses of any American bomb group in all of World War II.  Navigational errors led the doomed bomb group to become separated from the main bomber stream and to lose their fighter escorts. The battle began with America’s 39 planes facing an attack by between 100 and 150 German fighters.  The Americans used their famed B-24 Liberator to conduct their bombing raid, whereas the German fighters defending their city consisted of FW-190s and ME-109s.  The outnumbered Americans were nearly completely wiped out with 25 bombers crashing into German soil, two planes crash-landing in occupied France, and one crashing near Brussels, Belgium.  Two that did cross the English Channel were forced to land at the emergency strip at Manston, while one crashed near the base in Norfolk, and only a mere four American bombers actually landed at their home base in Tibenham.  In addition to the loss of planes, 115 out of 238 pilots and crewmen were killed in action or died of injuries sustained in the brief battle.  Two more died in crashes in Norfolk and in Belgium, respectively.  By contrast and despite numerical superiority, Germany lost a comparable number of aircraft, 29 planes with 18 of their pilots being killed in action.  Shooting down so many German fighter planes is a testament to the skill and tenacity of the American gunners manning the defensive machine guns on the heavily armed Liberators.

In the battle’s aftermath, certain members of the Allied command staff covered up the disaster so as to prevent any possible decrease in the morale of Allied air crews.  Yet, even now, over fifty years later few outside of scholars and veterans remember the disaster (I have personally asked some well-read former members of the U.S. Air Force who were unfamiliar with the incident).  And so the largest loss by a USAAF Group in World War II was largely swept under the rug…

Regardless of concerns about morale, America could sustain its losses at this point in the war much more than Germany could and despite the tragedy for America, Germany would still ultimately lose the world’s worst war.  Indeed, as indicated above, the overall devastation to Kassel over the course of the war is almost difficult to comprehend.

Bomb damaged buildings in Kassel, Untere Königsstraße

Question for students (and subscribers): Is it ever for okay for military leaders and/or the government to cover up a military disaster?  Please let us know in the comments section below this article.

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Historical Evidence

For a thorough website dedicated to the mission, please visit  For a discussion on the cover up, please see the chapter titled “The Eighth United States Air Force Cover-Up–Why?” in Tom Harrison Kassel (Xlibris Corporation, 2013), 157-158.

For more information, please see…

Elson, Aaron.  John Cadden: A Kassel Mission Interview.  CreateSpace Independent Publishing Platform, 2013.

The featured image in this article, a photograph of a 93d Bomb Group B-24D-1-CO Liberator, AAF Serial No. 41-23711, at RAF Alconbury, England, in 1942, is a work of a U.S. Air Force Airman or employee, taken or made as part of that person’s official duties.  As a work of the U.S. federal government, the image or file is in the public domain in the United States.


About Author

Dr. Zar

Dr. Zar graduated with a B.A. in French and history, a Master’s in History, and a Ph.D. in History. He currently teaches history in Ohio.