- This is the best summary I could come up with: 
 - NASA astronaut Frank Rubio now holds the record for the longest U.S. spaceflight. - But their stay was doubled after their Soyuz capsule developed a coolant leak while parked at the space station. - The trio will return to Earth on Sept. 27 in a replacement capsule that was sent up empty for the ride home. - By then, Rubio will have spent 371 days in space, more than two weeks longer than Mark Vande Hei, the previous U.S. record holder for a single spaceflight, Russia holds the world record of 437 days, set in the mid-1990s. - “Your dedication is truly out of this world, Frank!” NASA chief Bill Nelson said via X, formerly known as Twitter. - A replacement crew of two Russians and an American is set to launch to the station from Kazakhstan on Friday. 
 - The original article contains 193 words, the summary contains 134 words. Saved 31%. I’m a bot and I’m open source! 



