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Russian Kyiv Convoy
The Russian Kyiv convoy was a large column of Russian military vehicles stretching some in the Kyiv oblast from Prybirsk to Hostomel via Ivankiv involved in the 2022 Russian invasion of Ukraine. It has been noted for initially threatening Kyiv, but then halting due to unclear reasons. Commentators have suggested that the large number of soldiers and vehicles may have had issues with fuel and food shortages, and may have also been delayed by attacks from the Ukrainian military. On 2 April 2022 the whole of Kyiv Oblast, where the column was deployed, was declared free of Russian troops by the Ukrainian Ministry of Defense after Russian troops had left the area.Ukraine ‘retakes whole Kyiv region’ as Russia looks east [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Donbas
The Donbas or Donbass (, ; uk, Донба́с ; russian: Донба́сс ) is a historical, cultural, and economic region in eastern Ukraine. Parts of the Donbas are controlled by Russian separatist groups as a result of the Russo-Ukrainian War: the Donetsk People's Republic and the Luhansk People's Republic. The word ''Donbas'' is a portmanteau formed from "Donets Basin", an abbreviation of "Donets Coal Basin" ( uk, Донецький вугільний басейн, Donetskyi vuhilnyi basein; russian: Донецкий угольный бассейн, Donetskii ugolnyi bassein). The name of the coal basin is a reference to the Donets Ridge; the latter is associated with the Donets river. There are numerous definitions of the region's extent. It is now most commonly defined as the Donetsk and Luhansk regions of Ukraine. The historical coal mining region excluded parts of these oblasts, and included areas in Dnipropetrovsk Oblast and Southern Russia. A Euroregion of the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rasputitsa
''Rasputitsa'' ( rus, распу́тица, p=rɐsˈputʲɪtsə) is a season of the year when travel on unpaved roads or across country becomes difficult, owing to muddy conditions from rain or melting snow. Etymology In Russia, the term , рас- (ras-), disagreeable, + путь (put), travel, + -ица (-ica) refers to the spring or fall, and also refers to road conditions during such a period. The Ukrainian equivalent () usually refers to springtime but rarely autumn, when rain and/or melting snow on unpaved roads, tracks, paths, or any poorly-drained off-road area turns the route into impassable deep mud. Similar terms are Swedish ("bad going"), and Finnish ("broken state of roads"), but both also apply to when water is too iced over for boats but not strong enough to cross on foot or in other vehicles. Finnish eastern dialects also have a loanword (), which is used in the same meaning as . Effects The term is applied to muddy road conditions in Belarus, Russia, a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Traffic Congestion
Traffic congestion is a condition in transport that is characterized by slower speeds, longer trip times, and increased vehicular queueing. Traffic congestion on urban road networks has increased substantially since the 1950s. When traffic demand is great enough that the interaction between vehicles slows the speed of the traffic stream, this results in some congestion. While congestion is a possibility for any mode of transportation, this article will focus on automobile congestion on public roads. As demand approaches the capacity of a road (or of the intersections along the road), extreme traffic congestion sets in. When vehicles are fully stopped for periods of time, this is known as a traffic jam or (informally) a traffic snarl-up. Traffic congestion can lead to drivers becoming frustrated and engaging in road rage. Mathematically, traffic is modeled as a flow through a fixed point on the route, analogously to fluid dynamics. Causes Traffic congestion occurs when ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
S-400 Missile System
The S-400 Triumf (russian: link=no, C-400 Триумф – Triumf; translation: Triumph; NATO reporting name: SA-21 Growler), previously known as the S-300 PMU-3, is a mobile, surface-to-air missile (SAM) system developed in the 1990s by Russia's NPO Almaz as an upgrade to the S-300 (missile), S-300 family. The S-400 went into service on 28 April 2007. The first battalion of the newest surface-to-air missile systems assumed combat duty on 6 August. Development The development of the S-400 system began in the late 1980s and was announced by the Russian Air Force in January 1993. On 12 February 1999 successful tests were reported at Kapustin Yar in Astrakhan, and the S-400 was scheduled for deployment by the Russian army in 2001. Dr. Alexander Lemanskiy of Almaz-Antey was the Chief Engineer on the S-400 project. In 2003, it became apparent that the system was not ready for deployment. In August, two high-ranking military officials expressed concern that the S-400 was being t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Air Supremacy
Aerial supremacy (also air superiority) is the degree to which a side in a conflict holds control of air power over opposing forces. There are levels of control of the air in aerial warfare. Control of the air is the aerial equivalent of command of the sea. Air power has increasingly become a powerful element of military campaigns; military planners view having an environment of at least air superiority as a necessity. Air supremacy allows increased bombing efforts, tactical air support for ground forces, paratroop assaults, airdrops and simple cargo plane transfers, which can move ground forces and supplies. Air power is a function of the degree of air superiority and numbers or types of aircraft, but it represents a situation that defies black-and-white characterization. The degree of a force's air control is a zero-sum game with its opponent's; increasing control by one corresponds to decreasing control by the other. Air forces unable to contest for air superiority or a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Baykar Bayraktar TB2
The Bayraktar TB2 is a medium-altitude long-endurance (MALE) unmanned combat aerial vehicle (UCAV) capable of remotely controlled or autonomous flight operations. It is manufactured by the Turkish company Baykar Makina Sanayi ve Ticaret A.Ş., primarily for the Turkish Armed Forces. The aircraft are monitored and controlled by an aircrew in a ground control station, including weapons employment. The development of the UAV has been largely credited to Selçuk Bayraktar, a former MIT graduate student. By November 2021, the TB2 drone had completed 400,000 flight-hours globally. The largest operator of TB2 drones is the Turkish military, but an export model has been sold to the militaries of a number of other countries. Turkey has used the drone extensively in strikes on Kurdistan Workers' Party (PKK) and People's Protection Units (YPG) targets in Iraq and Syria. Bayraktar drones were later deployed by a number of other nations around the world in various wars, such as by Azerbai ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Time (magazine)
''Time'' (stylized in all caps) is an American news magazine based in New York City. For nearly a century, it was published Weekly newspaper, weekly, but starting in March 2020 it transitioned to every other week. It was first published in New York City on March 3, 1923, and for many years it was run by its influential co-founder, Henry Luce. A European edition (''Time Europe'', formerly known as ''Time Atlantic'') is published in London and also covers the Middle East, Africa, and, since 2003, Latin America. An Asian edition (''Time Asia'') is based in Hong Kong. The South Pacific edition, which covers Australia, New Zealand, and the Pacific Islands, is based in Sydney. Since 2018, ''Time'' has been published by Time USA, LLC, owned by Marc Benioff, who acquired it from Meredith Corporation. History ''Time'' has been based in New York City since its first issue published on March 3, 1923, by Briton Hadden and Henry Luce. It was the first weekly news magazine in the United St ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ministry Of Defence (United Kingdom)
The Ministry of Defence (MOD or MoD) is the department responsible for implementing the defence policy set by His Majesty's Government, and is the headquarters of the British Armed Forces. The MOD states that its principal objectives are to defend the United Kingdom of Great Britain and Northern Ireland and its interests and to strengthen international peace and stability. The MOD also manages day-to-day running of the armed forces, contingency planning and defence procurement. The expenditure, administration and policy of the MOD are scrutinised by the Defence Select Committee, except for Defence Intelligence which instead falls under the Intelligence and Security Committee of Parliament. History During the 1920s and 1930s, British civil servants and politicians, looking back at the performance of the state during the First World War, concluded that there was a need for greater co-ordination between the three services that made up the armed forces of the United Kingdom: t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Battle Of Kyiv (2022)
The battle of Kyiv was part of the Kyiv offensive in the 2022 Russian invasion of Ukraine for control of Kyiv, the capital city of Ukraine, and surrounding districts. The combatants were elements of the Russian Armed Forces and Ukrainian Ground Forces. The battle lasted from 25 February 2022 to 2 April 2022 and ended with the withdrawal of Russian forces. Initially, Russian forces captured key areas to the north and west of Kyiv, leading to international speculation of the city's imminent fall. However, stiff Ukrainian resistance sapped the momentum. Poor Russian logistics and tactical decisions helped the defenders to thwart efforts at encirclement, and, after a month of protracted fighting, Ukrainian forces mounted successful counterattacks. During the peace talks in Istanbul on 29 March, the Russian delegation declared they would drastically scale down military activity near Kyiv and Chernihiv. Four days later, the Ukrainian authorities declared that Kyiv and its surround ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Maxar Technologies
Maxar Technologies Inc. is a space technology company headquartered in Westminster, Colorado, United States, specializing in manufacturing communication, Earth observation, radar, and on-orbit servicing satellites, satellite products, and related services. DigitalGlobe and MDA Holdings Company merged to become Maxar Technologies on October 5, 2017. Maxar Technologies is the parent holding company of Space Systems Loral, headquartered in Palo Alto, California, US; DigitalGlobe, headquartered in Westminster, Colorado, US; and Radiant Solutions, headquartered in Herndon, Virginia, US. Maxar Technologies is dual-listed on the Toronto Stock Exchange and New York Stock Exchange as MAXR. In May 2019, the company was selected as the provider of the power and propulsion element for the Lunar Gateway developed by NASA. On December 30, 2019, the company announced that it had entered into a definitive agreement to sell MDA's assets to a consortium of financial sponsors led by Northern Pri ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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