Honey, I Shrunk the 747: The Story of the Boeing 747SP
13 Jun 2023, 22:34 UTC · By: Benny Kirk / Today, only a handful of 747SPs remain in service with global cargo carriers. So if you look up in the sky one day and see one, know it's very special.
NASA Boeing 747SP Airborne Telescope to Stop Flying This Year
29 Apr 2022, 08:57 UTC · By: Daniel Patrascu / NASA and its partners in the SOFIA project decided to retire the airborne telescope in the fall of this year, basically because it's no longer useful