 He is a graduate of Harvard University with a degree in Advanced Telecommunications.John's quiet intellectual nature and interest in astronomy make him the natural choice for the solitary life as the occupant of space station "Thunderbird 5", monitoring for distress calls from around the world.He has only ever been seen physically involved in a rescue during the episode "Danger at Ocean Deep", although he reveals in a conversation with his father in that same episode that he has already been on a "dozen" rescues.