The heinkel he111 was a fast medium bomber developed by the luftwaffe in the 30s and constantly upgraded during the war it was the primary german bomber in the early years of the war the he 111 was used in a variety of roles it was used as a strategic bomber during the battle of britain a torpedo bomber during the battle of the atlantic and a medium bomber and a transport aircraft on the western eastern mediterranean middle eastern and north african fronts designed to be used with the popular ai