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 Stalker Lockheed Martin Stalker The Stalker is a hand-launched, electrically powered unmanned aerial vehicle developed by Lockheed Martin Skunk Works for an unspecified customer, presumably United States Special Operations Command. The Lockheed Martin Stalker was created in 2006 by the same Skunk Works team responsible for the Desert Hawk. It is hand launched and belly landed, has a quiet electric motor and propeller, and carries a detachable camera payload. The camera system has modules for daylight, low light, and infrared. The camera system can be removed and replaced with droppable payloads. A propane fuel cell powered version of the Stalker with