The USS Excelsior (NCC-1770) Was an Armstrong-Class Starship Launched sometime after 2233 but before 2258 This Ship was Destroyed alongside Several other Starfleet Vessels in the Battle of Vulcan. This Ship was Later Rebuilt By 2260.

This Ships Actual Registry is NCC-1729. However for it to be an Armstrong-Class Starship its Registry Number has to be after USS Armstrong (NCC-1769).