 These ideas were turned down by the producers , who instead pushed for the final version as seen . Drexler also proposed a refit design , which may have been used if the series continued into a fifth season . The interior of the ship was designed by a number of staff members , but primarily by Zimmerman . He took inspiration from the fast attack submarines of the United States Navy as well as considering the previous vessels named Enterprise in the franchise . In the series itself , the ship was first seen in the pilot episode " Broken Bow " and was seen throughout the series undergoing various upgrades . Its missions included an initial period of deep space exploration and a mission into the Delphic Expanse following the Xindi attack on Earth ; it was also instrumental in the formation of the Coalition of Planets with the Vulcans , Andorians and Tellarites . 
