Submitted by Gari_305 t3_10kfmfj in Futurology
ConfirmedCynic t1_j5t3kh9 wrote
Reply to comment by MrGraveyards in NASA, DARPA Will Test Nuclear Engine for Future Mars Missions by Gari_305
More than just designs, they were testing firing one (NERVA) for a while.
MrGraveyards t1_j5tgb80 wrote
Oh yes that is true.
07tartutic07 t1_j5umigv wrote
Oh I didn't read that part
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