Nazi concentration camp, original title Nazi Concentration Camps, is a documentary film produced by the United States Army Signal Corps and the United States Counsel for the Prosecution of Axis Criminality in 1945 about the situation in the concentration camps after the arrival of Allied troops. In addition to the American documentary The Nazi Plan and the one-hour Soviet film The atrocities committed by the German-fascist invaders in the USSR, this documentary was filmic evidence of the prosecution in the Nuremberg trial against the main war criminals.