He was a visitor star on the last episode of Star Trek: Enterprise together with fellow astronaut Terry W. Virts. He described in an episode of StarTalk Radio, whilst talking to Wil Wheaton, that he models his sideburns in a position as an homage to Star Trek. The blurb to the Uk version of her novel Noughts and Crosses states that she is a substantial lover of Star Trek and her dream task would be to captain the USS Enterprise.