The USS Armstrong was a Federation starship in service during the late 24th century.
During the brief Second Federation-Klingon War, the Armstrong was ambushed by Klingon forces in early 2373 and was severely damaged before escaping to Deep Space 9. (DS9: "Apocalypse Rising")
- According to the Star Trek Encyclopedia, the ship was named after Neil Armstong who was the first man on the Moon on July 20th, 1969. The Encyclopedia also gives class and registry of this vessel as Challenger-class and NCC-57537, respectively.