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Summary

The Advanced Technology Bomber (ATB) black project began in 1979. The Cold War was well underway, and on the campaign trail in 1979 and 1980, presidential candidate Ronald Reagan promised to restore American military strength. On 22 August 1980, the incumbent Carter administration publicly disclosed that the United States Department of Defense (DoD) was working to develop stealth aircraft including the ATB. It was later revealed publicly in 2007 that MIT scientists helped assess the mission effectiveness of the aircraft under a classified contract during the 1980s.

Sources

http://en.wikipedia.org/wiki/Northrop_Grumman_B-2_Spirit#ATB_project