The rocket production is moved from the Peenemünde army research centre to Dora, a subcamp of the Buchenwald Concentration Camp.
On 28 August 1943 the first 107 concentration camp inmates arrived at the Kohnstein near Nordhausen.
Beginning of January 1944 the assembly of A4 rockets began and the inmates moved to the camp above ground.
The Mittelbau subcamps were established within the context of the relocation of aerial armament to underground locations.
For Mittelbau Concentration Camp, the dissolution phase began as early as the late autumn of 1944.
Beginning of April 1945 the SS evacuated most of the Mittelbau camps.
A few hundred ill and dying persons were liberated by the U.S. Army on 11 April 1945.
Approximately 60,000 were deported to the Mittelbau camps between August 1943 and March 1945.
