Martin Marietta

In the form of the Martin Marietta Corporation, Martin returned to piloted aircraft production in 1965 with SV-5 piloted lifting body research vehicle, built as SV-5J with J-85 or J-60 jet engine and as SV-5P or X-24A with XLR-11 rocket engine. Vehicle was launched from Boeing B-52 mother plane. In March 1995 Martin Marietta merged with Lockheed Corporation to form Lockheed Martin Corporation.