B-25 Mitchell / Executive Sweet U.S. Army The jet's conversion cost about

The jet's conversion cost about $90 million

lower basic but increased max takeoff weights

000 feet (15

was designed by Frank Christensen as an unlimited class aerobatic aircraft that could be used for competition

Boeing B-29 Superfortress model

B-25 Mitchell / Executive Sweet U.S. Army The jet's conversion cost aboutNorth American B 25 Mitchell airplane model. North American B 25 airplane model medium bomber was one of America's most famous airplanes of WW II. It was the type used by General Doolittle for the Tokyo Raid on April 18, 1942. Subsequently, it saw duty in every combat area being flown by the Dutch, British, Chinese, Russians and Australians in addition to our own U. S. forces. Although the airplane was originally intended for level bombing from medium