Sonderaktion 1005

1942–44 Nazi project to destroy evidence of war crimes in Poland

Sonderaktion 1005, also called Aktion 1005 or Enterdungsaktion, was a top-secret Nazi operation conducted from June 1942 to late 1944. The goal of the project was to hide or destroy any evidence of the mass murder that had taken place under Operation Reinhard, the attempted extermination of all Jews in the General Government occupied zone of Poland. Groups of Sonderkommando prisoners, officially called Leichenkommandos, were forced to exhume mass graves and burn the bodies; inmates were often put in chains to prevent them from escaping.

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