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.world
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      1 year ago

      Aren’t the Russian hypersonic missiles essentially just regular ballistic missiles? I remember reading something saying that calling them hypersonic was a stretch, and they have been intercepted by standard missile defense systems which actual hypersonic missiles wouldn’t be.