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4th Air Army (Russia)
The 4th Guards Air and Air Defence Forces Army () is an air army of the Russian Aerospace Forces, part of the Southern Military District and headquartered in Rostov-on-Don. The 4th Air Army (''4 Vozdushnaya Armiya'') was a Soviet Air Force formation and from 1992 to 2009 was part of the Russian Air Force. From 1998 the army was designated the 4th Air and Air Defence Forces Army. It was first established on 22 May 1942 from the Air Forces of the Soviet Southern Front, and fought on the Eastern Front until 1945. In 1949 it was redesignated the 37th Air Army. It was reformed on 4 April 1968 in Poland, and was active there with the Northern Group of Forces for over twenty years, shifting to the North Caucasus Military District in August 1992. The arrival of the Sukhoi Su-24 drastically changed its tasking in the 1980s. It became the 4th Air and Air Defence Forces Command in 2009 but was reestablished from the command in 2015. Second World War Upon its establishment in May 1942 i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rostov On Don
Rostov-on-Don ( rus, Ростов-на-Дону, r=Rostov-na-Donu, p=rɐˈstof nə dɐˈnu) is a port city and the administrative centre of Rostov Oblast and the Southern Federal District of Russia. It lies in the southeastern part of the East European Plain on the Don River, from the Sea of Azov, directly north of the North Caucasus. The southwestern suburbs of the city lie above the Don river delta. Rostov-on-Don has a population of over one million people, and is an important cultural centre of Southern Russia. History Early history From ancient times, the area around the mouth of the Don River has held cultural and commercial importance. Ancient indigenous inhabitants included the Scythian and Sarmatian tribes. It was the site of Tanais, an ancient Greek colony, Fort Tana under the Genoese, and Fort Azak in the time of the Ottoman Empire. In 1749, a custom house was established on the Temernik River, a tributary of the Don, by edict of the Empress Elizabeth, the d ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Northern Group Of Forces
The Northern Group of Forces (; ) was the military formation of the Soviet Army stationed in People's Republic of Poland, Poland from the end of World War II, Second World War in 1945 until 1993 when they were withdrawn in the aftermath of the fall of the Soviet Union. Although officially considered Polish allies under the Warsaw Pact treaty, they were seen by some Poles as a Soviet occupation force. History Early years Soviet forces entered Poland as they were advancing towards Nazi Germany in the course of the Red Army's Operation Bagration in the summer of 1944. Following the Vistula-Oder Offensive in early 1945, all of Poland was liberated from Nazi occupation by Soviet forces. While formal Polish sovereignty was almost immediately restored, the territory of Poland fell under ''de facto'' Soviet control as the Soviet military and security forces acted to ensure that Poland would be ruled by the Soviet-installed Polish Committee of National Liberation, communist puppet govern ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Supermarine Spitfire
The Supermarine Spitfire is a British single-seat fighter aircraft used by the Royal Air Force and other Allied countries before, during, and after World War II. Many variants of the Spitfire were built, from the Mk 1 to the Rolls-Royce Griffon engined Mk 24 using several wing configurations and guns. It was the only British fighter produced continuously throughout the war. The Spitfire remains popular among enthusiasts; around 70 remain airworthy, and many more are static exhibits in aviation museums throughout the world. The Spitfire was designed as a short-range, high-performance interceptor aircraft by R. J. Mitchell, chief designer at Supermarine Aviation Works, which operated as a subsidiary of Vickers-Armstrong from 1928. Mitchell developed the Spitfire's distinctive elliptical wing with innovative sunken rivets (designed by Beverley Shenstone) to have the thinnest possible cross-section, achieving a potential top speed greater than that of several contemporary figh ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lend-lease
Lend-Lease, formally the Lend-Lease Act and introduced as An Act to Promote the Defense of the United States (), was a policy under which the United States supplied the United Kingdom, the Soviet Union and other Allied nations with food, oil, and materiel between 1941 and 1945. It was given on the basis that such help was essential for the defense of the United States; this aid included warships and warplanes, along with other weaponry. It was signed into law on March 11, 1941, and ended on September 20, 1945. In general, the aid was free, although some hardware (such as ships) were returned after the war. Canada, already a belligerent, supplemented its aid to Great Britain with a similar, smaller program called Mutual Aid. A total of $50.1 billion (equivalent to $ in ) worth of supplies was shipped, or 17% of the total war expenditures of the U.S. In all, $31.4 billion went to the United Kingdom, $11.3 billion to the Soviet Union, $3.2 billion to France, $1.6 billion to Chin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kuban
Kuban (Russian language, Russian and Ukrainian language, Ukrainian: Кубань; ady, Пшызэ) is a historical and geographical region of Southern Russia surrounding the Kuban River, on the Black Sea between the Pontic–Caspian steppe, Don Steppe, the Volga Delta and the Caucasus, and separated from the Crimean Peninsula to the west by the Kerch Strait. Krasnodar Krai is often referred to as ''Kuban'', both officially and unofficially, although the term is not exclusive to the krai and accommodates the republics of Adygea, Karachay-Cherkessia, and parts of Stavropol Krai. Cossack settlement The Cossack settlement of Kuban and of the adjacent Black Sea region occurred gradually for over a century, and was heavily influenced by the outcomes of the conflicts between Russia and Ottoman Empire.Azarenkova et al., pp. 8ff. In the mid-18th century, the area was predominantly settled by the mountainous Adyghe people, Adyghe tribes. After the Russo-Turkish War (1768–1774 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Night Witches
"Night Witches" (german: die Nachthexen; russian: Ночные ведьмы, ) was a World War II German nickname for the all-female military aviators of the 588th Night Bomber Regiment, known later as the 46th "Taman" Guards Night Bomber Aviation Regiment, of the Soviet Air Forces. Though women were officially barred from combat at the time, Major Marina Raskova used her position and personal contacts with the Soviet leader Joseph Stalin to obtain permission to form female combat units. "Combat facilitated and ushered in a reluctant acceptance of women in military, based more upon practicality and necessity than for equality". On October 8, 1941, an order was issued to deploy three women's air-force units, including the 588th Regiment. The regiment, formed by Raskova and led by Major Yevdokiya Bershanskaya, was composed primarily of female volunteers in their late teens and early twenties. An attack technique of the night bombers involved idling the engine near the target and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
219th Bomber Aviation Division
19 (nineteen) is the natural number following 18 and preceding 20. It is a prime number. Mathematics 19 is the eighth prime number, and forms a sexy prime with 13, a twin prime with 17, and a cousin prime with 23. It is the third full reptend prime, the fifth central trinomial coefficient, and the seventh Mersenne prime exponent. It is also the second Keith number, and more specifically the first Keith prime. * 19 is the maximum number of fourth powers needed to sum up to any natural number, and in the context of Waring's problem, 19 is the fourth value of g(k). * The sum of the squares of the first 19 primes is divisible by 19. *19 is the sixth Heegner number. 67 and 163, respectively the 19th and 38th prime numbers, are the two largest Heegner numbers, of nine total. * 19 is the third centered triangular number as well as the third centered hexagonal number. : The 19th triangular number is 190, equivalently the sum of the first 19 non-zero integers, that is a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
229th Fighter Aviation Division
9 (nine) is the natural number following and preceding . Evolution of the Arabic digit In the beginning, various Indians wrote a digit 9 similar in shape to the modern closing question mark without the bottom dot. The Kshatrapa, Andhra and Gupta started curving the bottom vertical line coming up with a -look-alike. The Nagari continued the bottom stroke to make a circle and enclose the 3-look-alike, in much the same way that the sign @ encircles a lowercase ''a''. As time went on, the enclosing circle became bigger and its line continued beyond the circle downwards, as the 3-look-alike became smaller. Soon, all that was left of the 3-look-alike was a squiggle. The Arabs simply connected that squiggle to the downward stroke at the middle and subsequent European change was purely cosmetic. While the shape of the glyph for the digit 9 has an ascender in most modern typefaces, in typefaces with text figures the character usually has a descender, as, for example, in . The mod ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
217th Fighter Aviation Division
17 (seventeen) is the natural number following 16 and preceding 18. It is a prime number. Seventeen is the sum of the first four prime numbers. In mathematics 17 is the seventh prime number, which makes seventeen the fourth super-prime, as seven is itself prime. The next prime is 19, with which it forms a twin prime. It is a cousin prime with 13 and a sexy prime with 11 and 23. It is an emirp, and more specifically a permutable prime with 71, both of which are also supersingular primes. Seventeen is the sixth Mersenne prime exponent, yielding 131,071. Seventeen is the only prime number which is the sum of four consecutive primes: 2, 3, 5, 7. Any other four consecutive primes summed would always produce an even number, thereby divisible by 2 and so not prime. Seventeen can be written in the form x^y + y^x and x^y - y^x, and, as such, it is a Leyland prime and Leyland prime of the second kind: :17=2^+3^=3^-4^. 17 is one of seven lucky numbers of Euler which produ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Russian Ministry Of Defence
The Ministry of Defence of the Russian Federation (russian: Министерство обороны Российской Федерации, Минобороны России, informally abbreviated as МО, МО РФ or Minoboron) is the governing body of the Russian Armed Forces. The President of Russia is the Commander-in-Chief of the Armed Forces of the Russian Federation and directs the activity of the Ministry. The Defence Minister exercises day-to-day administrative and operational authority over the armed forces. The General Staff executes the president's and the defence minister's instructions and orders. The main building of the ministry, built in the 1940s, is located on Arbatskaya Square, near Arbat Street. Other buildings of the ministry are located throughout the city of Moscow. The supreme body responsible for the Ministry's management and supervision of the Armed Forces is The National Defense Management Center (Национальный центр управл ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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