as a replacement for the B-17 and B-24, the B-29 was
considered the ultimate bomber of World War II. An extremely
complex airplane, it introduced such concepts as
pressurization and remotely controlled gun turrets, and its
severe development troubles led to a delay in service
December 1943, the USAAF decided not to use the B-29 in
Europe but to put its great range to use in the Pacific.
The first B- 29 raid against Japan came on June 15,
1944. B-29s from the 509th Composite Group dropped the only
nuclear weapons ever used in wartime on Hiroshima and
USSR copied it as the Tu-4 and Tu-70 (transport) by copying
the four emergency landed planes in Manchuria down to the
KB-29 was the tanker version of the B-29, the SB-29 the
search & rescue version, carrying a lifeboat; the DB-29
was a drone controller, the TB-29 a trainer, the RB-29 a
the war, B-29s were modified as the first aerial tankers in
quantity. The remaining B-29s were sent into combat during
the Korean War.
the late 1940s, a significantly modified version of the B-29
was developed and was designated B-50.
One of the B-50s, nicknamed Lucky Lady II, completed the
first nonstop flight around the world. Eventually, 370 B-50s
were built and served as late as 1964.