Crichton paraphrases Han Solo when he is flying through a wormhole in his module and says, "Flying through a wormhole ain't like dusting crops, Farm boy."
The unit patch on 'Harvey's' uniform is the 29th Infantry Division, which was involved in the Normandy landings on D-DAY. The 29th Infantry Division is currently serving as the state of Maryland's and the state of Virginia's Army National Guard. The Blue and Gray colors of the Yin Yang design represents the Union's and the Conference's uniform colors during the American Civil War. The state of Maryland belonging to the Union and the state of Virginia belonging to the Confederate states.