Michael Shefield
From The Stargate Omnipedia
Colonel in the United States military, stationed at Earth's Alpha Site on P4X-650. He welcomed Samantha Carter and Alec Colson as they arrived to take a joyride in an F-302 -- part of the S.G.C.'s efforts to convince Colson not to go public with his knowledge of aliens.
DETAILS
PLAYED BY - Chris Shields
FIRST APPEARED - Covenant
KEY EPISODE
Covenant - Colonel Shefield permits Colonel Carter to bring Alec Colson to the secured Alpha Site, 640 light years form Earth.