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Summary

The McDonnell Douglas/General Dynamics A-12 Avenger II was a proposed American ground-attack aircraft from McDonnell Douglas and General Dynamics. It was to be an all-weather, carrier-based stealth bomber replacement for the Grumman A-6 Intruder in the United States Navy and Marine Corps. Its Avenger II name was taken from the Grumman TBF Avenger of World War II.

The development of the A-12 was troubled by cost overruns and several delays, causing questions of the program’s ability to deliver upon its objectives; these doubts led to the development program being canceled in 1991. The manner of its cancellation has been contested through litigation to this day.

Sources

http://en.wikipedia.org/wiki/McDonnell_Douglas_A-12_Avenger_II