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
Lockheed Martin ALHTK Lockheed Martin ALHTK Lockheed Martin ALHTK (sometimes spelled Lockheed Martin Air Launched Hit To Kill) is a Lockheed Martin program sponsored by the USAF and Missile Defense Agency. ALHTK mounts the PAC-3 missile on the wing of an F-15 by using an external shell in the shape of a fuel tank to house the PAC-3 missile. The F-15 was fielded by the US Air Force in 1976, and the PAC-3 by the US Army in 1999. The PAC-3 missile has been used successfully in operations in Iraq. The combined ALHTK system engages ballistic missiles in both the boost and terminal