Scott Petersen was a Federation PED Trooper who was killed in the Space Pirate attack on the Galactic Federation ship Valhalla. He was first found dead and identified by the Galactic Federation Reconnaissance Drone in the Metroid Prime 3: Corruption Preview. His body is located in the Control Room in-game, but is not identified as Scott Petersen.
- "Trooper was violently thrown against the wall. Subject's neck is broken."
- Some of the killed PED Marines' names are also some of the names of the Retro Studio staff. Scott Petersen is an Audio Supervisor at Retro Studios, having been a sound designer for Blizzard until 2004.