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1 dzień temu · South African Airways (SAA) is the flag carrier of South Africa. Founded in 1934, the airline is headquartered in Airways Park at O. R. Tambo International Airport in Johannesburg and operates a hub-and-spoke network, serving ten destinations in Africa. The carrier joined Star Alliance in April 2006, making it the first African carrier to sign with one of the three major airline alliances.
1 dzień temu · Unit 731 (Japanese: 731部隊, Hepburn: Nana-san-ichi Butai), short for Manchu Detachment 731 and also known as the Kamo Detachment: 198 and the Ishii Unit, was a covert biological and chemical warfare research and development unit of the Imperial Japanese Army that engaged in lethal human experimentation and biological weapons manufacturing during the Second Sino-Japanese War (1937–1945 ...
1 dzień temu · In other words: A quaternion squares to −1 if and only if it is a vector quaternion with norm 1. By definition, the set of all such vectors forms the unit sphere. Only negative real quaternions have infinitely many square roots. All others have just two (or one in the case of 0). [citation needed] As a union of complex planes
1 dzień temu · The Cold War was a period of geopolitical tension between the United States and the Soviet Union and their respective allies, the Western Bloc and the Eastern Bloc, that started in 1947, two years after the end of World War II and lasted to 1991, the fall of the Soviet Union.. The term cold war is used because there was no large-scale fighting directly between the two superpowers, but they ...
4 godz. temu · Wernher Magnus Maximilian Freiherr von Braun (US: / ˌ v ɜːr n ər v ɒ n ˈ b r aʊ n / VUR-nər von BROWN, German: [ˌvɛʁnheːɐ̯ fɔn ˈbʁaʊ̯n]; 23 March 1912 – 16 June 1977) was a German-American aerospace engineer and space architect.He was a member of the Nazi Party and Allgemeine SS, the leading figure in the development of rocket technology in Nazi Germany, and later a ...
1 dzień temu · v. t. e. The Germanic languages are a branch of the Indo-European language family spoken natively by a population of about 515 million people [nb 1] mainly in Europe, North America, Oceania and Southern Africa. The most widely spoken Germanic language, English, is also the world's most widely spoken language with an estimated 2 billion speakers.
1 dzień temu · The McDonnell Douglas (now Boeing) F-15E Strike Eagle is an American all-weather multirole strike fighter derived from the McDonnell Douglas F-15 Eagle.The F-15E was designed in the 1980s for long-range, high-speed interdiction without relying on escort or electronic-warfare aircraft. United States Air Force (USAF) F-15E Strike Eagles can be generally distinguished from other US Eagle variants ...
