Lockheed Martin SR-72 Lockheed Martin SR-72 The Lockheed Martin SR-72 is an American hypersonic UAV concept intended for intelligence, surveillance and reconnaissance. Lockheed Martin privately proposed it to succeed the retired Lockheed SR-71 Blackbird. The SR-71 Blackbird retired in 1998, leaving what was considered a coverage gap between surveillance satellites, manned aircraft, and unmanned aerial vehicles for intelligence, surveillance and reconnaissance (ISR) and strike missions. With the growth of anti-satellite weapons, anti-access/area denial tactics, and counter-stealth technologies, a high-speed aircraft could penetrate protected airspace and observe or strike a target before enemies could detect or intercept it. The proposed reliance on extremely high
General Dynamics built. Canadair also produced 200 CF-104 Starfighter supersonic fighter aircraft, a license-built version of the Lockheed F-104. In 1976, General Dynamics sold Canadair to the Canadian Government for $38 million, and the company was acquired by Bombardier Inc. in 1986. Aircraft production became increasingly important at Canadair, and Hopkins argued that the name "Electric Boat" was no longer appropriate—so Electric Boat was reorganized as General Dynamics on 24 April 1952. General Dynamics purchased Convair from the Atlas Group in March 1953. The sale was approved by government oversight with the provision that GD would continue to operate out of Air