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 Mission

The E-4B serves as the National Airborne Operations Center for the National CommandAuthorities. In case of national emergency or destruction of ground command control centers, the aircraft provides a modern, highly survivable, command, control and communications center to directU.S. forces, execute emergency war orders and coordinate actions by civil authorities.

 Features

Air Combat Command (ACC) is the Air Force single-resource manager for the E-4B, and provides aircrew, maintenance, security and communications support. The Joint Chiefs of Staff actually control E-4B operations and provide personnel for the airborne operations center.

The E-4B, a militarized version of the Boeing 747-200, is a four-engine, sept-wing, long-range,high-altitude airplane capable of being refueled in flight. Its larger size provides approximately triple the floor space of the earlier EC-135 command post.

The main deck is divided into six functional areas: a National Command authorities' work area,conference room, briefing room, an operations team work area, and communications and rest areas.An E-4B crew may include up to 114 people, including a joint-service operations team, an ACC flight crew, a maintenance and security component, a communications team and selected augmentees.

The E-4B has electromagnetic pulse protection, an electrical system designed to support advanced electronics and a wide variety of new communications equipment. Other improvements include nuclear and thermal effects shielding, acoustic control, an improved technical control facility and an upgraded air-conditioning system for cooling electrical components. An advanced satellite
communications system improves worldwide communications among strategic and tactical satellite systems and the airborne operations center.

To provide direct support to the National Command Authorities, at least one E-4B is always on alert at one of many selected bases throughout the world.

NIGHTWACTH FREQUENCIES


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