In addition, the United States Secret Service operates a fleet of helicopters that are used to transport the President and other government officials. These helicopters are also equipped with defensive weapons.
The airspace around Washington, D.C. is one of the most heavily restricted in the world. There are a number of rules and regulations that govern the operation of aircraft in this area. For example, all aircraft must be registered with the Federal Aviation Administration (FAA) and must have a valid transponder. Aircraft are also required to maintain a certain altitude and speed when flying in the airspace around Washington, D.C.
The airspace around Washington, D.C. is constantly monitored by NORAD and other security agencies. Any aircraft that violates the rules and regulations governing the airspace may be intercepted by fighter jets or other military aircraft.