8/31/2023 0 Comments Darkstar one mapTo attain its design speeds, Lockheed Martin has been collaborating with Aerojet Rocketdyne since 2006 on an appropriate engine. Public attention to the news was large enough to overwhelm the Aviation Week servers. Lockheed Martin Skunk Works' development work on the SR-72 was first published by Aviation Week & Space Technology on 1 November 2013. Unconfirmed reports about the SR-72 date back to 2007, when various sources disclosed that Lockheed Martin was developing an airplane able to fly six times the speed of sound or Mach 6 (4,000 mph 6,400 km/h 3,500 kn) for the United States Air Force. The proposed reliance on extremely high speed to penetrate defended airspace is considered a significant conceptual departure from the emphasis on stealth in fifth-generation jet fighter programs and projected drone developments. With the growth of anti-satellite weapons, anti-access/area denial tactics, and counter-stealth technologies, it was thought that a high-speed aircraft could penetrate protected airspace and observe or strike a target before enemies could detect or intercept it. The SR-71 Blackbird was retired by the USAF in 1998, leaving a potential coverage gap between surveillance satellites, crewed aircraft, and unmanned aerial vehicles for intelligence, surveillance and reconnaissance (ISR) and strike missions. Design and development Background and early work
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