X-37B, a @usairforce spacecraft, broke its flight record with 719 days in orbit, but its purpose is still a mystery
@ImRachelWolfhttps://www.jpost.com/International/Secret-spacecraft-breaks-flight-record-599921 …
1 reply
13 retweets
34 likes
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.
