RAF ALCONBURY, United Kingdom – A damaged B-17 Flying Fortresses sits on the flightline of RAF Alconbury on May 27, 1943, after an explosion. Nineteen United States Army Air Force 95th Bombardment Group Airmen were killed and 21 others were injured when a 500-pound bomb detonated on the flightline. A memorial plaque was placed in their honor at Alconbury Airfield May 27, 2013. (Photo courtesy AFRA)