Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 89. Chapters: Jack O'Neill, Nately, List of Stargate SG-1 characters, Hal Jordan, List of Stargate Universe characters, Captain Atom, Buck Rogers, Cameron Mitchell, Biggles, Samantha Carter, Diana Prince, Diane Beckman, George Hammond, Patrick McLanahan, Doc Daneeka, Matthew Scott, Chris Redfield, Richard Tyler, Orr, Evan Lorne, Vance Astro, Captain Scarlet, John Sheppard, Enemy Ace, Steve Austin, Everett Young, Lord Flashheart, Alan Carter, Milo Minderbinder, Captain Aardvark, Captain Black, Jillian Pearlman, Dr. Bellows, Major Major, Tamara Johansen, Mitchell Gant, Chaplain Tappman, Jeff Tracy, Bartholomew Bandy, Garry Halliday, Meteorite, Lt. Fairfax and Lt. Carstairs, Scott Tracy, Nguyen Toon, Colonel Cathcart, Worrals. Excerpt: Spanning ten years and several films, Stargate SG-1 developed an extensive and detailed backdrop of diverse characters. Many of the characters are members of alien species discovered while exploring the galaxy through the Stargate, although there are an equal number of characters from offworld human civilizations. While Stargate SG-1 and Stargate Atlantis are separate shows, they take part in the same fictional universe, so no character is internally show-specific. Except for the commanders of the top-secret Stargate Command military base (SGC), all main characters of Stargate SG-1 are members of the SG-1 team, the primary unit of the SGC in the show. SG-1's duties include first contact, reconnaissance and combat, diplomacy, initial archaeological surveying, and technological assessment. The composition of SG-1 changes several times during the series run and varies in several alternative universes. Jack O'Neill is a USAF Colonel (later Brigadier General, Major General and then Lt. General) who led the original mission through the Stargate in Stargate. He is played by Kurt Russell in the film and by fo...