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BRP Gregorio Del Pilar (PF-8)
The BRP ''Gregorio del Pilar'' (PF-8) was an of the Philippine Navy in commission from 1977 to 1990. She was one of six ex-United States Navy ''Barnegat''-class seaplane tenders/ex-United States Coast Guard ''Casco''-class high endurance cutters received from the United States after the Vietnam War, two of which were acquired to supply spare parts for the other four. She and her three commissioned sister ships were the largest Philippine Navy combat ships of their time. History Construction and United States Navy service 1944-1946 ''Gregorio del Pilar'' was laid down in the United States by Lake Washington Shipyard at Houghton, Washington, as the ''Barnegat''-class small seaplane tender USS ''Wachapreague'' (AVP-56), but was converted prior to completion into the motor torpedo boat tender . Commissioned into the U.S. Navy in May 1944, she served during World War II in the New Guinea campaign, the Philippines campaign, and the campaign in Borneo, and performed postwar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Philippines
The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republika sang Filipinas * ibg, Republika nat Filipinas * ilo, Republika ti Filipinas * ivv, Republika nu Filipinas * pam, Republika ning Filipinas * krj, Republika kang Pilipinas * mdh, Republika nu Pilipinas * mrw, Republika a Pilipinas * pag, Republika na Filipinas * xsb, Republika nin Pilipinas * sgd, Republika nan Pilipinas * tgl, Republika ng Pilipinas * tsg, Republika sin Pilipinas * war, Republika han Pilipinas * yka, Republika si Pilipinas In the recognized optional languages of the Philippines: * es, República de las Filipinas * ar, جمهورية الفلبين, Jumhūriyyat al-Filibbīn is an archipelagic country in Southeast Asia. It is situated in the western Pacific Ocean and consists of around 7,641 islands t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Radar
Radar is a detection system that uses radio waves to determine the distance (''ranging''), angle, and radial velocity of objects relative to the site. It can be used to detect aircraft, ships, spacecraft, guided missiles, motor vehicles, weather formations, and terrain. A radar system consists of a transmitter producing electromagnetic waves in the radio or microwaves domain, a transmitting antenna, a receiving antenna (often the same antenna is used for transmitting and receiving) and a receiver and processor to determine properties of the objects. Radio waves (pulsed or continuous) from the transmitter reflect off the objects and return to the receiver, giving information about the objects' locations and speeds. Radar was developed secretly for military use by several countries in the period before and during World War II. A key development was the cavity magnetron in the United Kingdom, which allowed the creation of relatively small systems with sub-meter resolution. Th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Seaplane Tender
A seaplane tender is a boat or ship that supports the operation of seaplanes. Some of these vessels, known as seaplane carriers, could not only carry seaplanes but also provided all the facilities needed for their operation; these ships are regarded by some as the first aircraft carriers and appeared just before the First World War. Terminology In maritime parlance a tender is a vessel that is used to support the operation of other vessels. In British usage, the term tender was used for small craft, with the term depot ship being used for large seagoing vessels. Flying boats and float planes even when based at home in ports and harbour had a need for small support vessels to operate.p British tenders were small craft of launch to pinnace size. These were used to ferry crews, stores and supplies between shore and the aircraft, to maintain the buoys used to mark out "taxiways" and "runways" and to keep these clear of debris to prevent foreign object damage, and in the case of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Barnegat-class Seaplane Tender
The ''Barnegat'' class was a large class of United States Navy small seaplane tenders (AVP) built during World War II. Thirty were completed as seaplane tenders, four as motor torpedo boat tenders, and one as a catapult training ship.''Conway's All the World's Fighting Ships 1922–1946'', p. 157 Design Before World War II, the United States Navy foresaw a need for a large force of seaplane tenders in the event of a war in the Pacific, to allow air operations from undeveloped islands and atolls. Full-size seaplane tenders (AVs) were designed to support two squadrons of flying boats each, but they were more expensive to build and had a deep draft, precluding their use in shallow harbors. The U.S. Navy therefore also planned for "small seaplane tenders" (AVPs), with a shallower draft, capable of supporting only one squadron each, but cheaper to build and able to operate in shallow waters. The AVPs were not the descendants of the "seaplane tenders (destroyer)" (AVDs); those had be ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Philippine Navy
The Philippine Navy (PN) ( tgl, Hukbong Dagat ng Pilipinas, , Sea Army of the Philippines) ( es, Armada de Filipinas, , Ejército del Mar de las Filipinas) is the naval warfare service branch of the Armed Forces of the Philippines. It has an estimated strength of 24,500 active service personnel, including the 8,300-strong Philippine Marine Corps. It operates 82 combat vessels, 14 auxiliary vessels, 25 manned aircraft and 8 unmanned aerial vehicles. It shares the responsibility of patrolling the maritime borders with the Philippine Coast Guard, a formerly attached unit which became a separate maritime law enforcement agency in 1998. History Pre-colonial period Before the Spaniards arrived in the Philippines the ancient native people were already engaging in naval warfare, raiding, trade, piracy, travel and communication using various vessels including balangay. A flotilla of balangay was discovered in the late 1970s in Butuan City, Agusan del Norte. Native Philippine warshi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
USCGC Chincoteague (WAVP-375)
USS ''Chincoteague'' (AVP-24) was a United States Navy seaplane tender in commission from 1943 to 1946 that saw service in the Pacific during World War II. After the war, she was in commission in the United States Coast Guard as the cutter USCGC ''Chincoteague'' (WAVP-375), later WHEC-375, from 1949 to 1972. She was transferred to South Vietnam in 1972 and was commissioned into service with the Republic of Vietnam Navy as the frigate RVNS ''Lý Thường Kiệt'' (HQ-16), seeing combat in the Battle of the Paracel Islands in 1974. When South Vietnam collapsed at the conclusion of the Vietnam War in 1975, she fled to the Philippines, where she was commissioned into the Philippine Navy, serving as the frigate RPS (later BRP) ''Andrés Bonifacio'' (PF-7) from 1976 to 1985. Construction and commissioning ''Chincoteague'' was launched on 15 April 1942 by Lake Washington Shipyard at Houghton, Washington, sponsored by Mrs. Doris Winden Rowe. She was commissioned on 12 April 194 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
USCGC Castle Rock (WAVP-383)
USS ''Castle Rock'' (AVP-35) was a United States Navy ''Barnegat''-class small seaplane tender in commission from 1944 to 1946 which saw service in the late months of World War II. After the war, she was in commission in the United States Coast Guard as the Coast Guard cutter USCGC ''Castle Rock'' (WAVP-383), later WHEC-383, from 1948 to 1971, seeing service in the Vietnam War during her Coast Guard career. Transferred to South Vietnam in 1971, she served in the Republic of Vietnam Navy as the frigate RVNS ''Trần Bình Trọng'' (HQ-05) and fought in the Battle of the Paracel Islands in 1974. When South Vietnam collapsed at the end of the Vietnam War in 1975, ''Trần Bình Trọng'' fled to the Philippines, where she served in the Philippine Navy from 1979 to 1985 as the frigate RPS (later BRP) ''Francisco Dagohoy'' (PF-10). Construction and commissioning ''Castle Rock'' was laid down on 12 July 1943 at Houghton, Washington, by the Lake Washington Shipyard, and was launche ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
USCGC McCulloch (WAVP-386)
USS ''Wachapreague'' (AGP-8) was a motor torpedo boat tender in commission in the United States Navy from 1944 to 1946, seeing service in the latter part of World War II. After her Navy decommissioning, she was in commission in the United States Coast Guard from 1946 to 1972 as the cutter USCGC ''McCulloch'' (WAVP-386), later WHEC-386, the fourth ship of the U.S. Coast Guard or its predecessor, the United States Revenue Cutter Service, to bear the name. In 1972 she was transferred to South Vietnam and served in the Republic of Vietnam Navy as the frigate RVNS ''Ngô Quyền'' (HQ-17). Upon the collapse of South Vietnam at the end of the Vietnam War in 1975, she fled to the Philippines, and she served in the Philippine Navy from 1977 to 1985 as the frigate RPS (later BRP) ''Gregorio del Pilar'' (PF-8) and from 1987 to 1990 as BRP ''Gregorio del Pilar'' (PF-12). Construction and commissioning ''Wachapreague'' (AVP-56) was laid down as a ''Barnegat''-class seaplane tender o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Helicopter
A helicopter is a type of rotorcraft in which lift and thrust are supplied by horizontally spinning rotors. This allows the helicopter to take off and land vertically, to hover, and to fly forward, backward and laterally. These attributes allow helicopters to be used in congested or isolated areas where fixed-wing aircraft and many forms of STOL (Short TakeOff and Landing) or STOVL (Short TakeOff and Vertical Landing) aircraft cannot perform without a runway. In 1942, the Sikorsky R-4 became the first helicopter to reach full-scale production.Munson 1968.Hirschberg, Michael J. and David K. Dailey"Sikorsky". ''US and Russian Helicopter Development in the 20th Century'', American Helicopter Society, International. 7 July 2000. Although most earlier designs used more than one main rotor, the configuration of a single main rotor accompanied by a vertical anti-torque tail rotor (i.e. unicopter, not to be confused with the single-blade monocopter) has become the most comm ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
MBB Bo 105
The Messerschmitt-Bölkow-Blohm Bo 105 is a light, twin-engine, multi-purpose helicopter developed by Bölkow of Ottobrunn, West Germany. It was the first light twin-engine helicopter in the world, and the first rotorcraft that could perform aerobatic maneuvers such as inverted loops.Moll 1991, p. 96. The Bo 105 features a revolutionary hingeless rotor system, a pioneering innovation in helicopters when it was introduced into service in 1970. Production of the Bo 105 began at the then-recently merged Messerschmitt-Bölkow-Blohm (MBB). The main production facilities for producing the Bo 105 were located in Germany and Canada; due to the level of export sales encountered, additional manufacturing lines were set up in Spain, Indonesia, and the Philippines. MBB became a part of Eurocopter in 1991, who continued production of the type until 2001. The Bo 105 was formally replaced in Eurocopter's product range by the newer Eurocopter EC135. Development In 1964, development work beg ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Machine Gun
A machine gun is a fully automatic, rifled autoloading firearm designed for sustained direct fire with rifle cartridges. Other automatic firearms such as automatic shotguns and automatic rifles (including assault rifles and battle rifles) are typically designed more for firing short bursts rather than continuous firepower, and are not considered true machine guns. As a class of military kinetic projectile weapon, machine guns are designed to be mainly used as infantry support weapons and generally used when attached to a bipod or tripod, a fixed mount or a heavy weapons platform for stability against recoils. Many machine guns also use belt feeding and open bolt operation, features not normally found on other infantry firearms. Machine guns can be further categorized as light machine guns, medium machine guns, heavy machine guns, general purpose machine guns and squad automatic weapons. Similar automatic firearms of caliber or more are classified as autocannons, rat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Caliber
In guns, particularly firearms, caliber (or calibre; sometimes abbreviated as "cal") is the specified nominal internal diameter of the gun barrel Gauge (firearms) , bore – regardless of how or where the bore is measured and whether the finished bore matches that specification. It is measured in inches or in millimetres, millimeters. In the United States it is expressed in hundredths of an inch; in the United Kingdom in thousandths; and elsewhere in millimeters. For example, a "45 caliber" firearm has a barrel diameter of roughly . Barrel diameters can also be expressed using metric dimensions. For example, a "9 mm pistol" has a barrel diameter of about 9 millimeters. Since metric and US customary units do not convert evenly at this scale, metric conversions of caliber measured in decimal inches are typically approximations of the precise specifications in non-metric units, and vice versa. In a rifling , rifled barrel, the distance is measured between opposing Rifling#C ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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