Major Marks

Major Marks is the bridge officer of the Prometheus, Odyssey, Daedalus, and Apollo. His most notable achievement is being the fastest promoted character in Stargate (First Lieutenant to Major in sixteen episodes)

Appearences

1: Avalon Part 1

2: Avalon Part 2

3: Beachhead

4: Ethon

5: Off The Grid

6: Camelot

7: Flesh and Blood

8: Counterstrike

9: Company of Thieves

10: Family Ties

11: Unending

12: Ark of Truth

13: Be All My Sins Remember'd

14: Search and Rescue

15: First Contact (hasn't aired yet)

16: The Lost Tribe (hasn't aired yet)