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In 1959–1961 Great Britain Atomic Energy Authority produced 125 g of 99.9% pure protactinium at a cost of $ 500 000, giving the cost of 4 000 000 USD per kg. [44] Periodic Table of Elements at Los Alamos National Laboratory website at one point listed protactinium-231 as available from Oak Ridge National Laboratory at a price of 280 000 USD/kg.
On 22 October 2013, the USAF fleets of MQ-1 Predator and MQ-9 Reaper UAVs reached 2,000,000 flight hours. The RPA program began in the mid-1990s, taking 16 years to reach 1 million flight hours; the 2 million hour mark was reached just two and a half years later. [67]
The multi-mission radioisotope thermoelectric generator (MMRTG) is a type of radioisotope thermoelectric generator (RTG) developed for NASA space missions [ 1] such as the Mars Science Laboratory (MSL), under the jurisdiction of the United States Department of Energy's Office of Space and Defense Power Systems within the Office of Nuclear Energy.
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160 km (max) The MIM-104 Patriot is a surface-to-air missile (SAM) system, the primary such system used by the United States Army and several allied states. It is manufactured by the U.S. defense contractor Raytheon and derives its name from the radar component of the weapon system. The AN/MPQ-53 at the heart of the system is known as the ...
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A year later, the ACLU estimated the list to have grown to over 1,000,000 names and to be continually expanding. [ 15 ] [ 16 ] [ 17 ] However, according to Homeland Security secretary Michael Chertoff , in October 2008 the No Fly List contained only 2,500 names, with an additional 16,000 "selectees" who "represent a less specific security ...
Cost of electricity by source. Different methods of electricity generation can incur a variety of different costs, which can be divided into three general categories: 1) wholesale costs, or all costs paid by utilities associated with acquiring and distributing electricity to consumers, 2) retail costs paid by consumers, and 3) external costs ...