The Boeing E-4 Advanced Airborne Command Post (AACP), the current "Nightwatch" aircraft, [2] is a series of strategic command and control military aircraft operated by the United States Air Force (USAF). The E-4 series are specially modified from the Boeing 747-200B for the National Emergency Airborne Command Post (NEACP) program. [3]

The E-4B is a militarized version of the Boeing 747-200, consisting of four engines, a swept-wing design, and capable of long-range, high-altitude operations and in-flight air refueling. (U.S. Air Force photo by Tech. Sgt. Codie Trimble)

2024年4月14日 · The Boeing E-4B Advanced Airborne Command Post (AACP) is a militarized version of the Boeing 747-200 operated by the United States Air Force (USAF). Serving as a current “Nightwatch,” the aircraft is nicknamed the “Doomsday Plane.”

2024年4月27日 · Sierra Nevada Corporation has been awarded a contract, worth more than USD 13 billion, for the Survivable Airborne Operations Center (SAOC), the replacement for the U.S. Air Force E-4B...

2024年4月26日 · The Department of the Air Force on Friday said it awarded Sierra Nevada Corp. a $13 billion contract to replace the service’s aging E-4B Nightwatch “doomsday planes” that would fly during...

2024年11月18日 · The Boeing E-4 ("Doomsday Plane") is intended to keep the US government and military running after a nuclear or large-scale attack.

2024年12月12日 · As we have already reported, 0n Apr. 26, 2024, Sierra Nevada Corporation secured a $13 billion contract from the U.S. Air Force to develop the replacement for the E-4B Nightwatch, a highly...

2024年4月29日 · The US Air Force (USAF) has selected the Sierra Nevada Corporation, a Colorado-based aerospace supplier, to produce a new E-4B Survivable Airborne Operations Center (SAOC) plane to replace the service’s four existing aircraft under a new $13bn deal awarded on 26 April 2024.

The Douglas A-4 Skyhawk is a single-seat subsonic carrier-capable light attack aircraft designed and produced by the American aerospace manufacturer Douglas Aircraft Company, and later, McDonnell Douglas.

The E-4 series was specially modified from the Boeing 747-200B for the National Emergency Airborne Command Post (NEACP) program. The E-4 serves as a survivable mobile command post for the National Command Authority, namely the President of the United States, the Secretary of Defense, and successors. [3]