This day on July 19, 1963 – Joe Walker flies a North American X-15 to a record altitude of 106,010 meters (347,800 feet) on X-15 Flight 90. Exceeding an altitude of 100 km, this flight qualifies as a human spaceflight under international convention. pic.twitter.com/jkVMe7Z6MJ
— World of Engineering (@engineers_feed) July 19, 2020
from Twitter https://twitter.com/engineers_feed
July 19, 2020 at 06:49AM
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