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72d Test And Evaluation Squadron
The 72d Test and Evaluation Squadron is part of the 53d Wing at Eglin Air Force Base, Florida. The squadron is geographically separated but operated from Whiteman Air Force Base, Missouri. It conducts testing and evaluation of the B-2 Spirit aircraft. Mission The squadron is the focal point for executing operational test and evaluation of the $44.6 billion B-2 weapon system. The squadron evaluates the ability of the B-2 weapons system to support all major requirements and reports weapon system capabilities. The unit provides experienced operations, maintenance, engineering, and analysis personnel who plan and conduct ground and flight tests, and analyze, evaluate, and report on the effectiveness and suitability of B-2 logistics support, tactics and survivability, foreign military exploitation, weapons and mission planning. The squadron reports results and conclusions to support DoD acquisition, deployment and employment decisions. History World War I The squadron was ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Air Combat Command
Air Combat Command (ACC) is one of nine Major Commands (MAJCOMs) in the United States Air Force, reporting to Headquarters, United States Air Force (HAF) at the Pentagon. It is the primary provider of air combat forces for the Air Force, and it is the direct successor to Tactical Air Command. Air Combat Command is headquartered at Langley Air Force Base, Joint Base Langley–Eustis, Virginia, United States. ACC directly operates 1,110 fighter, attack, reconnaissance, combat search and rescue, airborne command and control and electronic aircraft along with command, control, computing, communications and intelligence (C4I) systems, Air Force ground forces, conducts global information operations, and controls Air Force Intelligence. Air Combat Command consists of approximately 74,240 active duty Airmen and 10,610 Department of the Air Force Civilians. When mobilized, more than 49,000 additional Airmen of the Air Force Reserve and the Air National Guard, along with over ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Eglin Air Force Base
Eglin Air Force Base is a United States Air Force (USAF) base in the western Florida Panhandle, located about southwest of Valparaiso in Okaloosa County. The host unit at Eglin is the 96th Test Wing (formerly the 96th Air Base Wing). The 96 TW is the test and evaluation center for Air Force air-delivered weapons, navigation and guidance systems, command and control systems, and Air Force Special Operations Command (AFSOC) systems. Eglin AFB was established in 1935 as the Valparaiso Bombing and Gunnery Base. It is named in honor of Lt. Col. Frederick I. Eglin who was killed in a crash of his Northrop A-17 attack aircraft on a flight from Langley to Maxwell Field, Alabama. History Creation and World War II Much of the base was part of a national forest until the outbreak of World War II in Europe when a proving ground for aircraft armament was established at Eglin. The U.S. Forest Service ceded over 340,000 acres of the Choctawhatchee National Forest to the War D ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
San Diego
San Diego ( , ; ) is a city on the Pacific Ocean coast of Southern California located immediately adjacent to the Mexico–United States border. With a 2020 population of 1,386,932, it is the List of United States cities by population, eighth most populous city in the United States and the county seat, seat of San Diego County, the List of the most populous counties in the United States, fifth most populous county in the United States, with 3,338,330 estimated residents as of 2019. The city is known for its mild year-round climate, natural deep-water harbor, extensive beaches and parks, long association with the United States Navy, and recent emergence as a healthcare and biotechnology development center. San Diego is the List of municipalities in California, second largest city in the U.S. state, state of California, after Los Angeles. Historically home to the Kumeyaay people, San Diego is frequently referred to as the "Birthplace of California", as it was the first site vi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
72d Bombardment Squadron
7 (seven) is the natural number following 6 and preceding 8. It is the only prime number preceding a cube. As an early prime number in the series of positive integers, the number seven has greatly symbolic associations in religion, mythology, superstition and philosophy. The seven Classical planets resulted in seven being the number of days in a week. It is often considered lucky in Western culture and is often seen as highly symbolic. Unlike Western culture, in Vietnamese culture, the number seven is sometimes considered unlucky. It is the first natural number whose pronunciation contains more than one syllable. Evolution of the Arabic digit In the beginning, Indians wrote 7 more or less in one stroke as a curve that looks like an uppercase vertically inverted. The western Ghubar Arabs' main contribution was to make the longer line diagonal rather than straight, though they showed some tendencies to making the digit more rectilinear. The eastern Arabs developed the digit fr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
23d Bombardment Squadron
3-D, 3D, or 3d may refer to: Science, technology, and mathematics Relating to three-dimensionality * Three-dimensional space ** 3D computer graphics, computer graphics that use a three-dimensional representation of geometric data ** 3D film, a motion picture that gives the illusion of three-dimensional perception ** 3D modeling, developing a representation of any three-dimensional surface or object ** 3D printing, making a three-dimensional solid object of a shape from a digital model ** 3D display, a type of information display that conveys depth to the viewer ** 3D television, television that conveys depth perception to the viewer ** Stereoscopy, any technique capable of recording three-dimensional visual information or creating the illusion of depth in an image Other uses in science and technology or commercial products * 3D projection * 3D rendering * 3D scanning, making a digital representation of three-dimensional objects * 3D video game (other) * 3-D Secure, a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Keystone B-4
The Keystone B-4 was a biplane bomber, built by the Keystone Aircraft company for the United States Army Air Corps. Design and development Originally ordered by the United States Army Air Corps as the LB-13 light bomber. When the ''LB-'' designation was dropped in 1930, the first five planes were redesignated Y1B-4. (The ''Y1B-'' designation indicates that funds for the design did not come from the normal annual funds.) The first B-3A (S/N 30-281) was converted to Y1B-4 configuration with the addition of R-1860-7 radial engines and low pressure tires. Because of more powerful engines, the performance of the Y1B-4 was a slight improvement on the B-3, but the only difference between the two planes was their engines. On April 28, 1931, the army ordered 25 improved Y1B-4s as the Keystone B-4A. This production version was part of the last biplane bomber order made by the Army Air Corps (along with 39 B-6As, identical in all respects except their make of engine), and the B-4As, deliv ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Keystone B-3
The Keystone B-3A was a bomber aircraft developed for the United States Army Air Corps by Keystone Aircraft in the late 1920s. Design and development The B-3 was originally ordered as the LB-10A (a single-tail modification of the Keystone LB-6), but the Army dropped the ''LB-'' 'light bomber' designation in 1930. Although the performance of the B-3A was hardly better than that of the bombers flown at the end of World War I, it had come a long way. In terms of its safety, it was far superior to its oldest predecessors. Operational history The B-3A was a member of the last family of biplanes operated by the US Army; it remained in service until 1940. A few years after it was first produced, the introduction of all-metal monoplanes rendered it almost completely obsolete. Variants ;LB-10 :The last of the 17 LB-6s ordered (S/N 29-27) was converted with a re-designed single fin and rudder and two 525 hp Wright R-1750E engines. Delivered to Wright Field on 7 July 1929, it was wreck ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Volcano
A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface. On Earth, volcanoes are most often found where tectonic plates are diverging or converging, and most are found underwater. For example, a mid-ocean ridge, such as the Mid-Atlantic Ridge, has volcanoes caused by divergent tectonic plates whereas the Pacific Ring of Fire has volcanoes caused by convergent tectonic plates. Volcanoes can also form where there is stretching and thinning of the crust's plates, such as in the East African Rift and the Wells Gray-Clearwater volcanic field and Rio Grande rift in North America. Volcanism away from plate boundaries has been postulated to arise from upwelling diapirs from the core–mantle boundary, deep in the Earth. This results in hotspot volcanism, of which the Hawaiian hotspot is an example. Volcanoes are usually not created where two tectonic plates slide ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mauna Loa
Mauna Loa ( or ; Hawaiian: ; en, Long Mountain) is one of five volcanoes that form the Island of Hawaii in the U.S. state of Hawaii in the Pacific Ocean. The largest subaerial volcano (as opposed to subaqueous volcanoes) in both mass and volume, Mauna Loa has historically been considered the largest volcano on Earth, dwarfed only by Tamu Massif. It is an active shield volcano with relatively gentle slopes, with a volume estimated at , although its peak is about lower than that of its neighbor, Mauna Kea. Lava eruptions from Mauna Loa are silica-poor and very fluid, and tend to be non-explosive. Mauna Loa has probably been erupting for at least 700,000 years, and may have emerged above sea level about 400,000 years ago. The oldest-known dated rocks are not older than 200,000 years. The volcano's magma comes from the Hawaii hotspot, which has been responsible for the creation of the Hawaiian island chain over tens of millions of years. The slow drift of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hilo, Hawaii
Hilo () is a census-designated place (CDP) and the largest settlement in Hawaii County, Hawaii, United States, which encompasses the Island of Hawaii. The population was 44,186 according to the 2020 census. It is the fourth-largest settlement in the state of Hawaii and largest settlement in the state outside of Oahu. Hilo is the county seat of the County of Hawaii and is in the District of South Hilo. The city overlooks Hilo Bay and has views of two shield volcanoes, Mauna Loa, an active volcano, and Mauna Kea, a dormant volcano. Mauna Kea is the site of some of the world's most important ground-based astronomical observatories. The Hilo bay-front has been destroyed by tsunamis twice. The majority of human settlement in Hilo stretches from Hilo Bay to Waiākea-Uka, on the flanks of the volcanoes. Hilo is home to the University of Hawaii at Hilo, ʻImiloa Astronomy Center, as well as the Merrie Monarch Festival, a week-long celebration, including three nights of competition, of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ford Island
Ford Island ( haw, Poka Ailana) is an islet in the center of Pearl Harbor, Oahu, in the U.S. state of Hawaii. It has been known as Rabbit Island, Marín's Island, and Little Goats Island, and its native Hawaiian name is ''Mokuumeume''. The island had an area of when it was surveyed in 1825, which was increased during the 1930s to with fill dredged out of Pearl Harbor by the United States Navy to accommodate battleships. It was the site of an ancient Hawaiian fertility ritual, which was stopped by Christian missionaries during the 1830s. The island was given by Kamehameha I to Spanish deserter Francisco de Paula Marín, and later returned to the monarchy. After the island was bought at auction by James Isaac Dowsett and sold to Caroline Jackson, it became the property of Dr. Seth Porter Ford by marriage and was renamed Ford Island. After Ford's death, his son sold the island to the John Papa ʻĪʻī estate and it was converted into a sugarcane plantation. In 1916, part of Fo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Luke Field (Hawaii)
Ford Island ( haw, Poka Ailana) is an islet in the center of Pearl Harbor, Oahu, in the U.S. state of Hawaii. It has been known as Rabbit Island, Marín's Island, and Little Goats Island, and its native Hawaiian name is ''Mokuumeume''. The island had an area of when it was surveyed in 1825, which was increased during the 1930s to with fill dredged out of Pearl Harbor by the United States Navy to accommodate battleships. It was the site of an ancient Hawaiian fertility ritual, which was stopped by Christian missionaries during the 1830s. The island was given by Kamehameha I to Spanish deserter Francisco de Paula Marín, and later returned to the monarchy. After the island was bought at auction by James Isaac Dowsett and sold to Caroline Jackson, it became the property of Dr. Seth Porter Ford by marriage and was renamed Ford Island. After Ford's death, his son sold the island to the John Papa ʻĪʻī estate and it was converted into a sugarcane plantation. In 1916, part of Fo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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