Espiritdescali@futurology.todayM to Futurology@futurology.todayEnglish · 11 months agoSR-72: US secret hypersonic jet to allegedly break sound barrier in 2025interestingengineering.comexternal-linkmessage-square0fedilinkarrow-up124cross-posted to: technology@lemmy.world
arrow-up124external-linkSR-72: US secret hypersonic jet to allegedly break sound barrier in 2025interestingengineering.comEspiritdescali@futurology.todayM to Futurology@futurology.todayEnglish · 11 months agomessage-square0fedilinkcross-posted to: technology@lemmy.world
