President Trump Donald John TrumpBarr criticizes DOJ in speech declaring all agency power 'is invested in the attorney general' Military leaders asked about using heat ray on protesters outside White House: report Powell warns failure to reach COVID-19 deal could 'scar and damage' economy MORE tweeted his congratulations to astronaut Christina Koch on Thursday after Koch returned to Earth having broken the record for the longest mission in space undertaken by a woman.

In his tweet, the president wrote that Koch was making the U.S. proud and "inspiring young women" with her record-breaking space flight.

"Welcome back to Earth, @Astro_Christina, and congratulations on breaking the female record for the longest stay in space!" he wrote. "You’re inspiring young women and making the USA proud! Enjoyed speaking with you and @Astro_Jessica on the first all-female spacewalk IN HISTORY last year."

Welcome back to Earth, @Astro_Christina, and congratulations on breaking the female record for the longest stay in space! You’re inspiring young women and making the USA proud! Enjoyed speaking with you and @Astro_Jessica on the first all-female spacewalk IN HISTORY last year. — Donald J. Trump (@realDonaldTrump) February 6, 2020

Koch touched down in Kazakhstan in Thursday after spending 328 days in space.

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“I’m just so overwhelmed and happy right now," she told reporters.