Agent

An Agent is someone who works for an intellegence service, particually in the United States. Those working at CTU, the NSA, the CIA and the FBI are generally called agents.

At CTU there are two types of agents, Field Agents and Intellegence Agents who work together to achieve their goal.

Field Agent
Field Agents work outside of CTU in tatical operations or undercover. They are given special weapons and tactics training and are often involved in missions which require force.

Field agents are given suicide capsules in the event they are captured.

The agent in charge of field agents is known as Director of Field Operations.