After searching for more than a decade, the U.S. Air Force finally chose a replacement for the aging Vietnam-era Bell UH-1N Huey and settled on the Boeing-Leonardo MH-139. The service initially wanted to refurbish and upgrade former Army Sikorsky UH-60As. Then it considered purchasing new M-model Black Hawks in a sole-source contract from Sikorsky as part of the Army’s multiyear contract. Under pressure from Congress, the Air Force decided in 2016 to conduct a full and open ...


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