This is an alternate version of the Astronaut Class of 1992 patch. This one celebrates the class nickname, "The Hogs."
Pilots: Scott Horowitz, Brent Jett, Kevin Kregel, Kent Rominger
Mission specialists: Daniel T. Barry, Charles Brady, Catherine Coleman, Michael Gernhardt, John Grunsfeld, Wendy Lawrence, Jerry Linenger, Richard Linnehan, Michael Lopez-Alegria, Scott Parazynski, Winston Scott, Steven Smith, Joseph Tanner, Andy Thomas, Mary Weber
International mission specialists: Marc Garneau (Canada), Chris Hadfield (Canada), Maurizio Cheli (Italy), Jean-François Clervoy (France), Koichi Wakata (Japan)
Beginning with this NASA Group, non-US astronauts representing their home country's space agencies were brought in and trained alongside their NASA counterparts as full-fledged mission specialists, eligible to be assigned to any shuttle mission.
An alternate, humorous version of this patch also exists.