In a parallel universe, the USS Enterprise, registry number (NCC-1701), was a Constitution-class Starfleet vessel used for exploration by the United Federation of Planets during the 23rd century. It was the "original" vessel named Enterprise, a lineage that would be followed by the Enterprise-D in the 24th century.
The Enterprise held a complement of shuttles which included the Galileo (NCC-1701/7).
The USS Enterprise was commanded by Captain James T. Kirk. His first officer was Mr Spock while Leonard McCoy and Montgomery Scott served as ship's surgeon and chief engineer respectively. (COMIC: Assimilation²)