Rearranging the letters of 'Astronaut John Glenn' (American astronaut) gives:
Long non-earth jaunts.
(by Toby Gottfried by hand) (2005) (pending approval)
Other related anagrams without their own page:
"the astronaut Michael Collins" -> "It's that moon launches, I recall." (by Hans-Peter Reich using Anagram Genius) (2004)
"The Columbia astronauts" -> "Acute human loss at orbit." (by Mike Mesterton-Gibbons by hand) (2003)
"The Columbia astronauts" -> "Brutal outcome hits NASA." (by Rick Rothstein using Anagram Genius) (2003)
"Astronaut" -> "Unto a star." (by Harshal Madhavapeddi by hand) (2010) (pending approval)
"The former astronaut Neil Alden Armstrong" -> "Great elder. Lunar star. First man on the moon!" (by Tony Crafter using Anagram Genius) (2008) (pending approval)
"Astronaut Neil Armstrong" -> "Man to start lunar regions." (by Mike Mesterton-Gibbons by hand) (2012) (pending approval)