USS Youngblood (NCC-2263)

USS Youngblood (NCC-2263) was the lead ship and prototype of the heavy carriers that were on active duty in Starfleet during at least the late 23rd and early 24th centuries. (Federation Shuttlecarrier Comparison Chart)

Reference

 * Wilson, Mark. Federation Shuttlecarrier Comparison Chart. Federation Frontiers, 1999?