- cross-posted to:
- worldnews@sh.itjust.works
- world@lemmy.world
- cross-posted to:
- worldnews@sh.itjust.works
- world@lemmy.world
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The US had a similar program back in the 50s but shelved it because of how much radiation it emitted. Those would have been supersonic though. Burevestnik is subsonic. Still sorry af and had not done so great in testing.
4.5 retrogens, not good, not bad