An E-4B National Command Post aircraft arrived at Boeing Wichita recently for an 11-months stay for regularly scheduled maintenance.
The E-4B is the second in Wichita. Another E-4B aircraft is here undergoing a major upgrade, Boeing said.
The E-4B is a militarized version of the 747-200.
It serves as the National Airborne Operations Center for the president, secretary of defense and the Joint Chiefs of Staff. In the case of a national emergency or the destruction of ground command control centers, the aircraft is a survivable command post used to direct U.S. forces, execute emergency war orders and coordinate the actions of civil authorities.
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The planes are also used to support VIP travel and assist the Federal Emergency Management Agency by providing communications to relief efforts following natural disasters such as hurricanes and earthquakes.