One of many S.G.C. units deployed out of Cheyenne Mountain.
One incarnation of this team has been completely destroyed. While on Revanna, all of SG-17, including team leader Major Mansfield, was wiped out in an Al'kesh bombardment. Only Lieutenant Elliot survived for a time, later sacrificing himself to administer Tok'ra symbiote poison to Zipacna's forces.
Members of SG-16 include (or have included):
Mansfield (Team Leader)
Summit - SG-17, save for Elliot, is killed by a Goa'uld onslaught along with several Tok'ra on Revanna.
Last Stand - Elliot, the last man of SG-17, sacrifices himself to save SG-1.