The Gardelegen massacre was a massacre perpetrated by German SS and Luftwaffe troops during World War II. On April 13, 1945, on the Isenschnibbe estate near the northern German town of Gardelegen, the troops forced 1,016 slave laborers who were part of a transport evacuated from the Mittelbau-Dora labor camp into a large barn which was then lit on fire. Most of the prisoners were burned alive; some were shot trying to escape. The crime was discovered two days later by F Company, 2nd Battalion, 405th Regiment, U.S. 102nd Infantry Division, when the U.S.