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MH-53J
The Sikorsky MH-53 Pave Low series is a retired long-range special operations and combat search and rescue (CSAR) helicopter for the United States Air Force. The series was upgraded from the HH-53B/C, variants of the Sikorsky CH-53 Sea Stallion. The HH-53 "Super Jolly Green Giant" was initially developed to replace the HH-3E "Jolly Green Giant". The U.S. Air Force's MH-53J/M fleet was retired in September 2008."MH-53s fly final combat missions" US Air Force, 1 October 2008. Design and development  ...
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Sikorsky Aircraft
Sikorsky Aircraft is an American aircraft manufacturer based in Stratford, Connecticut. It was established by the Russian-American aviation pioneer Igor Sikorsky in 1923, and was among the first companies to manufacture helicopters for civilian and military use. It also produced seaplanes for passenger transport and surface vehicles such as trains and boats. Sikorsky was owned by United Technologies Corporation until November 2015, when it was sold to Lockheed Martin. History On March 5, 1923, the Sikorsky Aero Engineering Corporation was founded near Roosevelt Field (airport), Roosevelt Field, New York, by Igor Sikorsky, an immigrant to the United States who was born in Kyiv, Kiev, in the Russian Empire (today in Ukraine). In 1925, the company name was changed to Sikorsky Manufacturing Company. After the success of the Sikorsky S-38, S-38, the company was reorganized as the Sikorsky Aviation Corporation with capital of $5,000,000, allowing the purchase of land and the buildin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hurlburt Field
Hurlburt Field is a United States Air Force installation located in Okaloosa County, Florida, immediately west of the town of Mary Esther. It is part of the greater Eglin Air Force Base reservation and is home to Headquarters Air Force Special Operations Command (AFSOC), the 1st Special Operations Wing (1 SOW), the USAF Special Operations School (USAFSOS) and the Air Combat Command's (ACC) 505th Command and Control Wing. It was named for First Lieutenant Donald Wilson Hurlburt, who died in a crash at Eglin. The installation is nearly and employs nearly 8,000 military personnel. This facility is assigned a three-letter location identifier of HRT by the Federal Aviation Administration, but it does not have an International Air Transport Association (IATA) airport code (the IATA assigned HRT to RAF Linton-on-Ouse in England)., effective November 10, 2016. History Hurlburt began as a small training field for the much larger Eglin Field. It was initially de ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sponsons
Sponsons are projections extending from the sides of land vehicles, aircraft or watercraft to provide protection, stability, storage locations, mounting points for weapons or other devices, or equipment housing. Watercraft On watercraft, a sponson is a projection that extends outward (usually from the hull, but sometimes other parts of the vessel) to improve stability while floating, or to act as a securing point for other equipment. Vessels with unstable body shapes or unevenly distributed weight are likely to feature sponsons to help prevent capsizing or other instabilities. On many vessels, these projections from the main body of the vessel can be attached and removed quickly and fairly easily. Canoes and kayaks sometimes feature sponson attachments as well, for stability in rough waters. These differ from outriggers, which extend a significant distance away from the body of the craft, and are employed on craft designed for open waters. A sponson's terminus is close to the cra ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Forest Penetrator
A forest is an ecosystem characterized by a dense community of trees. Hundreds of definitions of forest are used throughout the world, incorporating factors such as tree density, tree height, land use, legal standing, and ecological function. The United Nations' Food and Agriculture Organization (FAO) defines a forest as, "Land spanning more than 0.5 hectares with trees higher than 5 meters and a canopy cover of more than 10 percent, or trees able to reach these thresholds ''in situ''. It does not include land that is predominantly under agricultural or urban use." Using this definition, '' Global Forest Resources Assessment 2020'' found that forests covered , or approximately 31 percent of the world's land area in 2020. Forests are the largest terrestrial ecosystems of Earth by area, and are found around the globe. 45 percent of forest land is in the tropical latitudes. The next largest share of forests are found in subarctic climates, followed by temperate, and subtropic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Minigun
The M134 Minigun is an American 7.62×51mm NATO six-barrel rotary machine gun with a high rate of fire (2,000 to 6,000 rounds per minute). It features a Gatling-style rotating barrel assembly with an external power source, normally an electric motor. The "Mini" in the name is in comparison to larger-caliber designs that use a rotary barrel design, such as General Electric's earlier 20 mm M61 Vulcan, and "gun" for the use of rifle ammunition as opposed to autocannon shells. "Minigun" refers to a specific model of weapon that General Electric originally produced, but the term "minigun" has popularly come to refer to any externally powered rotary gun of rifle caliber. The term is sometimes used loosely to refer to guns of similar rates of fire and configuration, regardless of power source and caliber. The Minigun is used by several branches of the U.S. military. Versions are designated ''M134'' and ''XM196'' by the United States Army, and ''GAU-2/A'' and ''GAU-17/A'' by ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gatling
The Gatling gun is a rapid-firing multiple-barrel firearm invented in 1861 by Richard Jordan Gatling of North Carolina. It is an early machine gun and a forerunner of the modern electric motor-driven rotary cannon. The Gatling gun's operation centered on a cyclic multi-barrel design which facilitated cooling and synchronized the firing-reloading sequence. As the handwheel is cranked, the barrels rotate, and each barrel sequentially loads a single cartridge from a top-mounted magazine, fires off the shot when it reaches a set position (usually at 4 o'clock), then ejects the spent casing out of the left side at the bottom, after which the barrel is empty and allowed to cool until rotated back to the top position and gravity-fed another new round. This configuration eliminated the need for a single reciprocating bolt design and allowed higher rates of fire to be achieved without the barrels overheating quickly. One of the best-known early rapid-fire firearms, the Gatling ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
WikiProject Aircraft
A WikiProject, or Wikiproject, is an affinity group for contributors with shared goals within the Wikimedia movement. WikiProjects are prevalent within the largest wiki, Wikipedia, and exist to varying degrees within Wikimedia project, sibling projects such as Wiktionary, Wikiquote, Wikidata, and Wikisource. They also exist in different languages, and translation of articles is a form of their collaboration. During the COVID-19 pandemic, CBS News noted the role of Wikipedia's WikiProject Medicine in maintaining the accuracy of articles related to the disease. Another WikiProject that has drawn attention is WikiProject Women Scientists, which was profiled by ''Smithsonian Magazine, Smithsonian'' for its efforts to improve coverage of women scientists which the profile noted had "helped increase the number of female scientists on Wikipedia from around 1,600 to over 5,000". On Wikipedia Some Wikipedia WikiProjects are substantial enough to engage in cooperative activities with outsi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United States Air Force Pararescue
Pararescuemen (also known as Pararescue Jumpers or PJs) are United States Air Force Special operations, special operators who conduct personnel recovery and combat search and rescue operations as well as other missions for the U.S. military and its allies. Highly trained special operators, PJs are generally assigned to Air Force Special Operations Command (AFSOC) and Air Combat Command (ACC). Personnel recovery includes rescuing and providing medical treatment to injured or stranded personnel in hostile or remote environments, such as behind enemy lines or in the wilderness. Combat search and rescue operations recover personnel from enemy-controlled territory. They are attached to other special operations units from all branches to conduct other operations as appropriate. PJs have also supported NASA missions, and have recovered astronauts after water landings. Long an enlisted preserve, the Pararescue service expanded to include Combat rescue officer, Combat Rescue Officers ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
