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The Northrop Grumman E-10 MC2A was planned as a multi-role military aircraft to replace the Boeing 707-based E-3 Sentry and E-8 Joint STARS, the Boeing 747-based E-4B, and the RC-135 Rivet Joint aircraft in US service. The E-10 was based on the Boeing 767-400ER commercial airplane. In 2003, the Northrop Grumman, Boeing, and Raytheon MC2A team ...
The aircraft was to provide a survivable platform to conduct war operations in the event of a nuclear attack. Early in the E-4's service, the media dubbed the aircraft as "the doomsday planes". [6] The E-4 was also capable of operating the "Looking Glass" missions of the Strategic Air Command (SAC). [14]
The E-4B "Nightwatch" is nicknamed the "doomsday plane" because it can survive a nuclear attack. In the event of nuclear war, it would serve as the US military's command and control center.
Four-stroke model engines have been made in sizes as small as 0.20 in3 (3.3 cc) for the smallest single-cylinder models, all the way up to 3.05 in3 (50 cc) for the largest size for single-cylinder units, with twin- and multi-cylinder engines on the market being as small as 10 cc for opposed-cylinder twins, while going somewhat larger in size ...
Model number Odd numbers for the United States Air Force and even numbers for the United States Navy. For example, the TF39-GE-1C is a Turbofan built by General Electric and was an Air Force model, which has powered the Lockheed C-5 Galaxy and the Pratt & Whitney TF30-P-414A is a turbofan built by Pratt & Whitney and was a Navy model, which has powered the Grumman F-14A Tomcat.
The reduced size affects the model's Reynolds number, which determines how the air reacts when flowing past the model, and compared to a full sized aircraft the size of control surfaces needed, the stability and the effectiveness of specific airfoil sections may differ considerably requiring changes to the design.
This statement seems to strongly suggest that the Air Force will once again turn to the Boeing 747, the only US-made four-engine airliner built in the several years prior, and the only aircraft based on a four-engine airliner platform built in the US since the last new-build E-3 Sentry and E-6 Mercury aircraft, both based on the Boeing 707 ...
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