General Michael E. Ryan was the Chief of Staff of the US Air Force and a member of the Joint Chiefs of Staff in Washington, DC. Crossing the line between reality and fiction, General Ryan visited the SGC to show the Air Force's support of the program, and to discuss with General Hammond the possibility of establishing a permanent research station on M4C-862.
Portrayed by: Himself*
*Cameo by Michael E. Ryan: Chief of Staff of the US Air Force
Cross Reference: M4C-862
Episode Reference: Prodigy