He was a visitor star on the final episode of Star Trek: Enterprise together with fellow astronaut Terry W. Virts. He talked about in an episode of StarTalk Radio, though talking to Wil Wheaton, that he designs his sideburns in a point as an homage to Star Trek. The blurb to the Uk edition of her novel Noughts and Crosses suggests that she is a big lover of Star Trek and her desire position would be to captain the USS Enterprise.