So who's where?
Lieutenant (1st& 2nd): Jennifer Hailey (Prodigy and Proving Ground), Grogan (Proving Ground), Satterfield (Proving
Ground), Elliot (Proving Ground), Astor (Divide And Conquer), and many others.
Captain: Where Sam started in '97 on the pilot episode, ending at or around season 4.
Dr. Fraiser, believe it or not, is also a USAF officer, and was also a Captain.
Major: Sam was promoted to Major at or around Season 4, ending at Season 8's episode, New Order Part 2.
The Pentagon liason, Paul Davis, is also a Major. Dr. Frasier is now, everybody knows that, but before she died
she was a major.
Lieutenant Colonel: Sam was promoted to Lt. Col. during Season 8's episode, New Order Part 2.
Smauels, from a few of Season 1&2's episodes, was a Lt. Col.
Colonel: Jack was a Colonel from the pilot episode to Season 8's episode, New Order Part 2.
Harry Maybourne, Frank Simmons, and Kennedy, are/were also Colonels.
Brig. Gen.: Jack was promoted to Brigadier General in New Order Part 2.
Maj. Gen.: George Hammond is a Major General, where he currently stands.
Sam's dad, Jacob Carter, was a Major General before retiring.
Lt. Gen.: Think General Vidrine from Tangent.
Gen.: Think General Ryan from the beginning of Prodigy.