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SS Aquila (1940)
SS ''Aquila'' (originally SS ''Duke of Sparta'') was a cargo ship built in Britain in 1940 for Stavros G. Livanos, Stavros Livanos' Trent Maritime Co Ltd. by William Gray & Company. An identical sister ship, sister, ''Duke of Athens'', was built for Trent at the same time. In 1947–48 ''Duke of Sparta'' was involved in controversy over alleged treatment of Nigerian stowaways. She was sold to Grimaldi Group, Grimaldi Brothers of Naples, Italy, in 1951, who renamed her ''Aquila''. She was in the Maluku Islands, Moluccas in eastern Indonesia in April 1958 when a Central Intelligence Agency, CIA aircraft involved in a covert operation, covert mission against the Sukarno government bombed and damaged her. She sank a month later. Her wreck off Ambon, Maluku, Ambon City is now a popular scuba diving site. Building William Gray & Company built ''Duke of Sparta'' in their yard at West Hartlepool on River Tees, Tees-side. They launched ''Duke of Sparta'' in July 1940 and completed her ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Eagle
Eagle is the common name for many large birds of prey of the family Accipitridae. Eagles belong to several groups of genera, some of which are closely related. Most of the 68 species of eagle are from Eurasia and Africa. Outside this area, just 14 species can be found—2 in North America, 9 in Central and South America, and 3 in Australia. Eagles are not a natural group but denote essentially any kind of bird of prey large enough to hunt sizeable (about 50 cm long or more overall) vertebrates. Description Eagles are large, powerfully-built birds of prey, with heavy heads and beaks. Even the smallest eagles, such as the booted eagle (''Aquila pennata''), which is comparable in size to a common buzzard (''Buteo buteo'') or red-tailed hawk (''B. jamaicensis''), have relatively longer and more evenly broad wings, and more direct, faster flight – despite the reduced size of aerodynamic feathers. Most eagles are larger than any other raptors apart from some vultures. The smalles ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Echo Sounding
Echo sounding or depth sounding is the use of sonar for ranging, normally to determine the depth of water (bathymetry). It involves transmitting acoustic waves into water and recording the time interval between emission and return of a pulse; the resulting time of flight, along with knowledge of the speed of sound in water, allows determining the distance between sonar and target. This information is then typically used for navigation purposes or in order to obtain depths for charting purposes. Echo sounding can also be used for ranging to other targets, such as fish schools. Hydroacoustic assessments have traditionally employed mobile surveys from boats to evaluate fish biomass and spatial distributions. Conversely, fixed-location techniques use stationary transducers to monitor passing fish. The word '' sounding'' is used for all types of depth measurements, including those that don't use sound, and is unrelated in origin to the word ''sound'' in the sense of noise or ton ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Apapa
Apapa is a Local Government Area in Lagos, located to the west of Lagos Island. Apapa contains a number of ports and terminals operated by the Nigerian Ports Authority (NPA), including the major port of Lagos State and Lagos Port Complex (LPC). In its legislation, the NPA itself does not refer to any port called "Port of Apapa", rather it refers to the "Port of Lagos", "Port of Port Harcourt" and "Port of Calabar". Overview The region of Apapa lies near the mouth of Lagos lagoon, and contains ports and terminals for various commodities such as containers and bulk cargo, houses, offices and a small old disused railway station (Apapa North). It is the site of a major container terminal which was owned and operated by the Federal Government of Nigeria until March 2005, and now is operated by the Danish firm A. P. Moller-Maersk Group. Adjacent to the container port is the Tin Can Island Port, which has ro-ro facilities. It also houses some refineries like the Bua Group. It a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pounds Per Square Inch
The pound per square inch or, more accurately, pound-force per square inch (symbol: lbf/in2; abbreviation: psi) is a unit of pressure or of stress based on avoirdupois units. It is the pressure resulting from a force of one pound-force applied to an area of one square inch. In SI units, 1 psi is approximately equal to 6895 Pa. Pounds per square inch absolute (psia) is used to make it clear that the pressure is relative to a vacuum rather than the ambient atmospheric pressure. Since atmospheric pressure at sea level is around , this will be added to any pressure reading made in air at sea level. The converse is pounds per square inch gauge (psig), indicating that the pressure is relative to atmospheric pressure. For example, a bicycle tire pumped up to 65 psig in a local atmospheric pressure at sea level (14.7 psi) will have a pressure of 79.7 psia (14.7 psi + 65 psi). When gauge pressure is referenced to something other than ambient atmospheric pressure, then the u ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
River Tees
The River Tees (), in Northern England, rises on the eastern slope of Cross Fell in the North Pennines and flows eastwards for to reach the North Sea between Hartlepool and Redcar near Middlesbrough. The modern day history of the river has been tied with the industries on Teesside in its lower reaches, where it has provided the means of import and export of goods to and from the North East England. The need for water further downstream also meant that reservoirs were built in the extreme upper reaches, such as Cow Green. Etymology The name ''Tees'' is possibly of Brittonic origin. The element ''*tēs'', meaning "warmth" with connotations of "boiling, excitement" (Welsh ''tes''), may underlie the name. ''*Teihx-s'', a root possibly derived from Brittonic ''*ti'' (Welsh ''tail'', "dung, manure"), has also been used to explain the name ''Tees'' (compare River Tyne). Geography The river drains and has a number of tributaries including the River Greta, River Lune, River Balder, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Scuba Diving
Scuba diving is a mode of underwater diving whereby divers use breathing equipment that is completely independent of a surface air supply. The name "scuba", an acronym for "Self-Contained Underwater Breathing Apparatus", was coined by Christian J. Lambertsen in a patent submitted in 1952. Scuba divers carry their own source of breathing gas, usually compressed air, affording them greater independence and movement than surface-supplied divers, and more time underwater than free divers. Although the use of compressed air is common, a gas blend with a higher oxygen content, known as enriched air or nitrox, has become popular due to the reduced nitrogen intake during long and/or repetitive dives. Also, breathing gas diluted with helium may be used to reduce the likelihood and effects of nitrogen narcosis during deeper dives. Open circuit scuba systems discharge the breathing gas into the environment as it is exhaled, and consist of one or more diving cylinders containing breat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ambon, Maluku
Ambon (formerly nl, Amboina) is the capital and largest city of the Indonesian province of Maluku. This city is also known as , which means "beautiful" or "pretty" Ambon. It covers a land area of 298.61 km2, and had a population of 331,254 at the 2010 Census and 347,288 at the 2020 Census. The city is divided into five administrative districts () – namely Nusaniwe, Sirimau, Teluk Ambon (Ambon Bay), Baguala and Leitimur Selatan (South Leitimur). Known as Indonesia's music city, Ambon became the first city in Southeast Asia to be recognised as the UNESCO City of Music in 2019. The city is populated by a mix of ethnic Alifuru (original Moluccans), Javanese, Balinese, Butonese, Bugis, Makassar, Papuan, Minahasa, Minang, Flobamora (Flores, Sumba, Alor and Timor ethnics) and those of foreign descent (Chinese, Arabian-Ambonese, Spanish-Ambonese, German-Ambonese, Portuguese-Ambonese and Dutch-Ambonese). Between 1999 and 2002, there was social unrest motivated by raci ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sukarno
Sukarno). (; born Koesno Sosrodihardjo, ; 6 June 1901 – 21 June 1970) was an Indonesian statesman, orator, revolutionary, and nationalist who was the first president of Indonesia, serving from 1945 to 1967. Sukarno was the leader of the Indonesian struggle for independence from the Dutch colonialists. He was a prominent leader of Indonesia's nationalist movement during the colonial period and spent over a decade under Dutch detention until released by the invading Japanese forces in World War II. Sukarno and his fellow nationalists collaborated to garner support for the Japanese war effort from the population, in exchange for Japanese aid in spreading nationalist ideas. Upon Japanese surrender, Sukarno and Mohammad Hatta declared Indonesian independence on 17 August 1945, and Sukarno was appointed president. He led the Indonesian resistance to Dutch re-colonisation efforts via diplomatic and military means until the Dutch recognition of Indonesian independence ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Covert Operation
A covert operation is a military operation intended to conceal the identity of (or allow plausible deniability by) the party that instigated the operation. Covert operations should not be confused with clandestine operations, which are performed in secret and meant to stay secret. Covert operations aim to secretly fulfill their mission objectives without anyone knowing who sponsored or carried out the operation, or in some cases, without anyone knowing that the operation has even occurred. Impact According to a 2018 study by University of Chicago political scientist Austin Carson, covert operations may have the beneficial effect of preventing escalation of disputes into full-blown wars. He argues that keeping military operations secret can limit escalation dynamics, as well as insulate leaders from domestic pressures while simultaneously allowing them communicating their interest to the adversary in keeping a war contained. He finds that covert operations are frequently detec ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Indonesia
Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania between the Indian and Pacific oceans. It consists of over 17,000 islands, including Sumatra, Java, Sulawesi, and parts of Borneo and New Guinea. Indonesia is the world's largest archipelagic state and the 14th-largest country by area, at . With over 275 million people, Indonesia is the world's fourth-most populous country and the most populous Muslim-majority country. Java, the world's most populous island, is home to more than half of the country's population. Indonesia is a presidential republic with an elected legislature. It has 38 provinces, of which nine have special status. The country's capital, Jakarta, is the world's second-most populous urban area. Indonesia shares land borders with Papua New Guinea, East Timor, and the eastern part of Malaysia, as well as maritime borders with Singapore, Vietnam, Thailand, the Philippines, Australia, Palau, and India ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Maluku Islands
The Maluku Islands (; Indonesian: ''Kepulauan Maluku'') or the Moluccas () are an archipelago in the east of Indonesia. Tectonically they are located on the Halmahera Plate within the Molucca Sea Collision Zone. Geographically they are located east of Sulawesi, west of New Guinea, and north and east of Timor. Lying within Wallacea (mostly east of the biogeographical Weber Line), the Maluku Islands have been considered as a geographical and cultural intersection of Asia and Oceania. The islands were known as the Spice Islands because of the nutmeg, mace and cloves that were exclusively found there, the presence of which sparked colonial interest from Europe in the sixteenth century. The Maluku Islands formed a single province from Indonesian independence until 1999, when it was split into two provinces. A new province, North Maluku, incorporates the area between Morotai and Sula, with the arc of islands from Buru and Seram to Wetar remaining within the existing Maluku Province. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stowaway
A stowaway or clandestine traveller is a person who secretly boards a vehicle, such as a ship, an aircraft, a train, cargo truck or bus. Sometimes, the purpose is to get from one place to another without paying for transportation. In other cases, the goal is to enter another country without first obtaining a travel visa or other permission. Stowaways differ from people smuggling in that the stowaway needs to avoid detection by the truck driver, ship crew, and others responsible for the safe and secure operation of the transportation service. Thousands of stowaways have travelled by sea or land over the last several centuries. A much smaller number of people have attempted to stowaway on aircraft. Many stowaways have died during the attempt, especially in cases of train surfing and wheel-well stowaway flights. Origin The word takes its origin with the expression ''stow away''. This ''stow away'' expression is old and was used for things (such as food), such usage is seen for ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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