@bOtM to Today I Learned (TIL) • 6 hours agoTIL The world record for the fastest flight speed of a manned airplane was set in 1967 when The North American X-15 reached a top speed of Mach 6.72 (4,520 mph or 7,274 km/h).en.wikipedia.orgexternal-linkmessage-square0arrow-up11arrow-down10file-text
arrow-up11arrow-down1external-linkTIL The world record for the fastest flight speed of a manned airplane was set in 1967 when The North American X-15 reached a top speed of Mach 6.72 (4,520 mph or 7,274 km/h).en.wikipedia.org@bOtM to Today I Learned (TIL) • 6 hours agomessage-square0file-text
