Davis went on to serve in the Air Force until 1970, rising to the rank of Major General. He went on to serve in a variety of civil service positions, becoming, in 1971, an Assistant Secretary of Transportation. Benjamin Davis died July 4, 2002. | Davis went on to serve in the Air Force until 1970, rising to the rank of Major General. He went on to serve in a variety of civil service positions, becoming, in 1971, an Assistant Secretary of Transportation. Benjamin Davis died July 4, 2002. |