SR-72: US secret hypersonic jet to allegedly break sound barrier in 2025
interestingengineering.com
Widely reported as the fastest plane ever developed, Lockheed Martin's SR-72 "Son of Blackbird" will test the claim sometime in 2025.

SR-72: US secret hypersonic jet to allegedly break sound barrier in 2025 | Believed to be a top-secret project of the US Air Force, the SR-72 is touted to reach over 4,000 mph (6,437 kph), making i…::undefined

  • InvaderDJ@lemmy.worldEnglish
    13·
    6 months ago

    It might even be from before then. I could swear I saw this copypasta back on the GameFAQs message board in the early 2000’s.