The USS Pasteur (NCC-58925) was an Olympic-class hospital ship in service during the late 24th century. (Star Trek: The Adventures of Argus, TNG: "All Good Things") In 2374, Captain Jonozia Lex ordered the USS Valkyrie to rendezvous with the Pasteur was at Starbase 375, shortly after the search and rescue mission mounted in the aftermath of the Battle of Tyra. (Star Trek: The Adventures of Argus: "Trial By Fire")