Naval Criminal Investigative Service Major Case Response Team (MCRT) special agents, headquartered at the Washington Navy Yard in Washington, D.C.As NCIS is a federal law enforcement agency with jurisdiction on crimes involving persons and property associated with the U.S. Navy and the U.S. Marine Corps, the team is frequently assigned to high-profile cases such as the death of the President's nuclear missile aide, a bomb situation on a U.S. Navy warship, the death of a celebrity on a reality show set on a USMC base, terrorist threats, and kidnappings.