Lockheed C-121 Constellation
Wednesday, Mar 27 2013 by kjfitz
The Lockheed C-121 Constellation was a military transport version of the Lockheed Constellation. A total of 332 aircraft were constructed for both the United States Air Force and United States Navy for various purposes. Numerous AWACS versions were also constructed. The C-121 later saw service with smaller civilian operators until 1993.