Malcolm Reed experienced an unfortunate condition during his zero g training in the EV simulator at Lunaport which was also called "the Vomitorium" by Starfleet trainees. Phlox later told him that this was noted in his medical file. (ENT: "The Catwalk") James T. Kirk and Spock conducted null-gravity combat exercises together aboard the USS Enterprise a week prior to going on the Vedala expedition.