Espiritdescali@futurology.todayM to Futurology@futurology.todayEnglish · 2 years agoSR-72: US secret hypersonic jet to allegedly break sound barrier in 2025interestingengineering.comexternal-linkmessage-square0linkfedilinkarrow-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 · 2 years agomessage-square0linkfedilinkcross-posted to: technology@lemmy.world
