Bachem Ba 349, a German manned rocket interceptor from World War II
Lothar Sieber (7 April 1922 in Dresden, Germany – 1 March 1945 near Stetten am kalten Markt, Germany) was a German test pilot who was killed in the first vertical take-off manned rocket flight, in a Bachem Ba 349 "Natter".
Part of Lager Heuberg, launchpad of the first manned rocket, the Bachem Ba 349