The Boeing B-29 Superfortess is a four-engine propeller-driven heavy bomber. It was designed and built by Boeing, and flown primarily by the US Army Air force during WW2 & the Korean War. It was the largest operational aircraft during WW2. It was also the single most expensive weapons program developed and undertaken by the US Government in WW2. It exceeded the Manhattan Project in price by $1-1.7 billion.
“It exceeded the Manhattan Project in price by $1-1.7 billion.”
The B-29 was introduced into combat in the 8th of May, 1944. Boeing produced a total of 3,970 units. Each unit would cost US$639,188. The B-29 sported many new innovations, such as a pressurized cabin, dual-wheeled tricycle landing gear, and a computer-controlled fire-control system. The B-29 played a significant role as a strategic bomber during the war.
The B-29 was armed with four remotely controlled turrets armed with two .50 Browning M2 machine guns each. It originally the tail was armed with two .50 Browning M2 machine guns and a single M2 20 mm cannon. Later the M2 20 mm cannon was removed and a third .50 Browning M2 machine gun added.
The B-29 was considered a very successful aircraft and one of the deadliest of WW2. It retired on June 21, 1960. There are surviving aircraft, that are mostly privately owned and used for museums and recreational flying. It total the B-29 Superfortress helped advance aviation, with its many groundbreaking innovations.