The National Security Agency was a United States government intelligence agency and a component of the Department of Defense. It was officially responsible for protecting U.S. government communications systems from harm and collecting communications and signals intelligence on foreign entities. It was an organization responsible for information gathering only.
The NSA was in control of the ECHELON system.
Day 1 Edit
Day 2 Edit
On Day 2 Roger Stanton, the head of the NSA, turned out to be complicit in the day's events. He was helping the terrorists in order to justify increased defense expenditures. Eric Rayburn was also involved in the NSA. At the beginning of the day, all operations were conducted through NSA. The elite special operations unit Coral Snake was founded by the NSA. The NSA mainly served as a tool by the forces in the government trying to make the terrorist attack succeed.
Day 5 Edit
Later, when White House Chief of Staff Walt Cummings found out CTU was investigating his criminal participation, he convinced President Charles Logan to relieve them from the search of the 20 canisters of Sentox nerve gas and assign the task to NSA.("Day 5: 12:00pm-1:00pm")
Day 8 Edit
After CTU New York had been disabled by the use of an EMP, Jack Bauer contacted the NSA to request help in finding the terrorists they were chasing. Several engineers were sent to the building to help replace the servers and get CTU up and running again.
The Rookie Edit
Kate Wyman, working at the FBI headquarters in Washington DC uses a satellite reserved by the NSA to help Jason Blaine whilst he was in Mexico City. The NSA had it reserved as a safeguard for the President of the United States' trip to Baghdad.