Epic
Lockheed Martin SR-72
US Air Force hypersonic aircraft concept
Lockheed Martin SR-72
The Lockheed Martin SR-72, commonly referred to as "Son of Blackbird", is an American hypersonic concept intended for intelligence, surveillance, and reconnaissance (ISR). It was proposed privately in 2013 by Lockheed Martin as a successor to the retired Lockheed SR-71 Blackbird. As of 2025, no confirmed flight tests have occurred, although some speculate that the SR‑72 could enter service in the 2030s.
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