This week in Edwards flight test history Published March 3, 2017 412th Test Wing Public Affairs EDWARDS AIR FORCE BASE, Calif. -- 27 Feb 1958 at Edwards - A test team began a series of performance, stability and control flight tests of the Lockheed CL-329 JetStar, a small, high-speed utility transport. The prototype aircraft was configured with two Bristol Siddeley Orpheus engines. (Edwards History Office file photo)