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Doomsday plane. Doomsday plane [1] is an unofficial denomination of a class of aircraft which is used as an airborne command post in an event of nuclear war, disaster or other large scale conflict that threatens key military and government infrastructure. The only countries known to have designed and manufactured such aircraft are the United ...
In probability theory, the coupon collector's problem refers to mathematical analysis of "collect all coupons and win" contests. It asks the following question: if each box of a given product (e.g., breakfast cereals) contains a coupon, and there are n different types of coupons, what is the probability that more than t boxes need to be bought ...
The Survivable Airborne Operations Center (SAOC) is a United States Air Force program to develop a replacement for the E-4 National Airborne Operations Center (NAOC), a strategic command-and-control military aircraft used as a mobile command post for the National Command Authority in emergency situations. The current E-4 platforms were built in ...
The SAC Airborne Command Post or "Looking Glass" was initiated in 1960, with the conversion of 5 KC-135A tankers in to Airborne Command Posts. On July 1, 1960 operational testing began under the code name Looking Glass, [4] [5] and operated by the 34th Air Refueling Squadron at Offutt AFB. The mission transferred to the 38th Strategic ...
April 26, 2024 at 2:44 PM. (Reuters) -The U.S. Air Force said on Friday that it has awarded a $13 billion contract to Sierra Nevada Corp to develop a successor to the E-4B, known as the Doomsday ...
Boeing 747-200. The Boeing E-4 Advanced Airborne Command Post ( AACP ), the current "Nightwatch" aircraft, [2] is a 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.
The median age of U.S. citizens is 38.5 years old, compared to 46.7 in Germany, 48.1 in Italy, and 40.7 in the U.K., and 49.5 in Japan. ... 79% of all mortgages had fixed rates of 30 or 15 years ...
In 2022, Mr Allen's art collection set a new world record for the biggest sale in an auction, raising over $1.5bn (£1.2bn). It included works by Pablo Picasso, Salvador Dali and Vincent Van Gogh.