- "SG-1 has a surprisingly good habit of beating the odds."
- —George Hammond
SG-1 is the designation for the flagship team of the International Stargate Command. At present, SG-1 is comprised of Lt. Col. Cameron Mitchell (Commanding Officer), Maj. Rebbecca Eaton (Executive Officer), Dr. Daniel Jackson (Research Specialist), and Vala Mal Doran (Cultural Advisor).
- Jack O'Neill (1997-2004)
- Robert Makepeace (February 2000)
- Samantha Carter (2004-December 2010)
- Cameron Mitchell (2012-)
XO (Executive officer)
- Samantha Carter (1997-2004)
- Daniel Jackson (1997-2002, 2003-)
- Robert Rothman (1999)
- Mathison (June 2002)
- Hagman (June 2002)
- Jonas Quinn (2002-2003)
- Responsible for the deaths of a number of Goa'uld System Lords, such as Ra, Apophis, Cronus, Sokar, and Nirrti. Also responsible for the downfalls of Anubis and Ba'al.
- Destroying the Replicators and bringing the downfall of the Goa'uld Empire at the Battle of Dakara.
- Making Earth's first contact with the Asgard, the Tok'ra, the Tollan, and the Nox
- Saving Earth on a number of occassions from the Goa'uld and the Replicators.
- Sending the Sangraal to the Alteran Home Galaxy and destroying the Ori.
- Diminishing ascended Adrias powers enough for Morgan Le Fay to engage her in an eternal battle.
- Adria was quite possibly defeated by Morgan herself after the Priors of Milky Way lost their belief in Origin, further diminishing Adria's powers.