- See Memory Beta for more information.
Star Trek is...Edit
In Star Trek is..., Major Gary Mitchell was commander of the SS Yorktown (NCC-108) from 2217 to 2224. He was noted as an excellent commander, and was looked up to by his crew, most notably his executive officer who would later be called "Number One." He took over the center seat from Colonel Georges-Françoise Picard and Number One would succeed him.