"SG-1 has a surprisingly good habit of beating the odds."
George S. Hammond

SG-1 is the designation for the flagship team of Stargate Command and also the main team associated with the SGC with their Atlantis counterparts being the First Atlantis Reconnaissance Team. For the first seven years SG-1 was led by Colonel Jack O'Neill. In 2365, the team dealt with their permanent change in personnel when Dr. Daniel Jackson ascended to a higher level of existence leaving a open space on the team. It wasn't until after nine failed attempts to replace Jackson, that O'Neill decided to make the Kelownan Jonas Quinn a member of SG-1. However, when Jackson returned to human form a year later, he resumed his old role on the team while Jonas returned to his people. In 2378, O'Neill was promoted to the rank of Brigadier General. O'Neill's second in command Major Samantha Carter had been promoted to Lieutenant Colonel in 2373 and she was given command of SG-1 in 2377. Her tenure as leader only lasted a year as in 2378, SG-1 disbanded itself following the collapse of the Goa'uld Empire. With the impending Xindi threat threatening the Milky Way galaxy, Lieutenant Colonel Cameron Mitchell was able to reunite the team following the Battle of Kallana.

In 2377, SG-1 became the first team to have five members when Vala Mal Doran joined the team.

SG-1 is a Federation-sanctioned military team created in the mid-24th century. SG-1 is a multi-purpose task force whose functions include first contact, reconnaissance and combat, diplomacy, initial archaeological surveying and technological assessment.

Its standing orders are as follows:

  • Open and maintain diplomatic negotiations with other worlds
  • Obtain technologies to help defend Earth against the Romulans and other aggressors.

SG-1 has, both successfully and unsuccessfully, executed these orders for the years Stargate Command has been operating.


SG-1 2365

SG-1 in 2365

SG-1's original team in 2360 consisted of Colonel Jack O'Neill as commanding officer, along with Major Samantha Carter, Doctor Daniel Jackson and Lieutenant Typhuss James Halliwell and later Vala Mal Doran in 2377. In 2378, Lieutenant Colonel Cameron Mitchell , who had been offered any position in the SGC by O'Neill, chose to join SG-1, but he was surprised when he learned he was to lead the unit, and it was going to be a fresh team.

SG-1 had disbanded. Carter and Typhuss were assigned to the research and development labs on Starbase 400, and Jackson had moved on as well. However, Mitchell was eventually successful in reassembling the unit. In 2380, General O'Neill was promoted to General Hammond's position as overseer of Homeworld Security in Washington.

In 2383, Carter and Typhuss were still part of SG-1. Two years later Lieutenant General Jack O'Neill was put in command of SG-1 again, with Samantha Carter, Daniel Jackson, Vala Mal Doran and Typhuss James Kira rejoining the team and Colonel Cameron Mitchell was put in command of SG-3.

In 2387, Vala Mal Doran left SG-1, the team now included Lieutenant General Jack O'Neill as commanding officer, along with Brigadier General Samantha Carter, Doctor Daniel Jackson and Captain Typhuss James Kira, the four original members of SG-1 since 2360. A year later Vala rejoined SG-1 after talking to Samantha Carter about it.

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