The United States Secret Service is a United States federal law enforcement agency that is part of the United States Department of Homeland Security. They are often charged with protecting the President, Vice President and past presidents. Lt. Laura Cadman was once a part of the secret service. (SGA: "The DVD Collection 71")
The secret service also fired at a Hologram of Anubis that appeared in the Oval Office at the White House. (SG1: "Lost City, Part 2")
Alternate realities[]
- In an alternate reality they were in service at Stargate Command where the President had relocated to. (SG1: "The Road Not Taken")