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Crewman
Crewman is a generic term for a crew member serving in the operation of an aircraft, naval vessel, spacecraft, or train. The term may also refer to individuals serving in a military capacity on weapon system platforms, such as those operating a tank. In some science fiction (most notably ''Star Trek''), crewman is the lowest military rank on board a spacecraft, analogous to seaman Seaman may refer to: * Sailor, a member of a marine watercraft's crew * Seaman (rank), a military rank in some navies * Seaman (name) (including a list of people with the name) * ''Seaman'' (video game), a 1999 simulation video game for the Seg ... in many real-world navies. The term "crewman" may also be used interchangeably with the non-gender specific form as "crewperson" or "crewmember". Notes References Military ranks {{Mil-rank-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Crew
A crew is a body or a group of people who work at a common activity, generally in a structured or hierarchy, hierarchical organization. A location in which a crew works is called a crewyard or a workyard. The word has nautical resonances: the tasks involved in operating a ship, particularly a sailing ship, providing numerous specialities within a ship's crew, often organised with a chain of command. Traditional nautical usage strongly distinguishes Commissioned officer, officers from crew, though the two groups combined form the ship's company. Members of a crew are often referred to by the titles ''crewmate'', ''crewman'' or ''crew-member.'' ''Crew'' also refers to the sport of rowing (sport), rowing, where teams row competitively in racing shells. Types * For a specific sporting usage, see rowing crew. * For filmmaking usage, see film crew. * For live music usage, see road crew. * For analogous entities in research on human judgment and decision-making, see team and judge� ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tank
A tank is an armoured fighting vehicle intended as a primary offensive weapon in front-line ground combat. Tank designs are a balance of heavy firepower, strong armour, and battlefield mobility provided by tracks and a powerful engine; their main armament is often mounted within a turret. They are a mainstay of modern 20th and 21st century ground forces and a key part of combined arms combat. Modern tanks are versatile mobile land weapons platforms whose main armament is a large- calibre tank gun mounted in a rotating gun turret, supplemented by machine guns or other ranged weapons such as anti-tank guided missiles or rocket launchers. They have heavy vehicle armour which provides protection for the crew, the vehicle's munition storage, fuel tank and propulsion systems. The use of tracks rather than wheels provides improved operational mobility which allows the tank to overcome rugged terrain and adverse conditions such as mud and ice/snow better than wheele ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Science Fiction
Science fiction (often shortened to sci-fi or abbreviated SF) is a genre of speculative fiction that deals with imaginative and futuristic concepts. These concepts may include information technology and robotics, biological manipulations, space exploration, time travel, Parallel universes in fiction, parallel universes, and extraterrestrials in fiction, extraterrestrial life. The genre often explores human responses to the consequences of projected or imagined scientific advances. Science fiction is related to fantasy (together abbreviated wikt:SF&F, SF&F), Horror fiction, horror, and superhero fiction, and it contains many #Subgenres, subgenres. The genre's precise Definitions of science fiction, definition has long been disputed among authors, critics, scholars, and readers. Major subgenres include hard science fiction, ''hard'' science fiction, which emphasizes scientific accuracy, and soft science fiction, ''soft'' science fiction, which focuses on social sciences. Other no ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Star Trek
''Star Trek'' is an American science fiction media franchise created by Gene Roddenberry, which began with the Star Trek: The Original Series, series of the same name and became a worldwide Popular culture, pop-culture Cultural influence of Star Trek, phenomenon. Since its creation, the franchise has expanded into List of Star Trek films, various films, List of Star Trek television series, television series, List of Star Trek games, video games, List of Star Trek novels, novels, and Star Trek (comics), comic books, and it has become one of the most recognizable and List of highest-grossing media franchises, highest-grossing media franchises of all time. The franchise began with ''Star Trek: The Original Series, Star Trek'' (''The Original Series''), which premiered on September 6, 1966, on Canada's CTV Television Network, CTV network. In the US it debuted on September 8, 1966, on NBC. The series followed the voyages of the crew of the Starship Enterprise, starship USS ''Ent ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Spacecraft
A spacecraft is a vehicle that is designed spaceflight, to fly and operate in outer space. Spacecraft are used for a variety of purposes, including Telecommunications, communications, Earth observation satellite, Earth observation, Weather satellite, meteorology, navigation, space colonization, Planetary science, planetary exploration, and Space transport, transportation of Human spaceflight, humans and cargo spacecraft, cargo. All spacecraft except single-stage-to-orbit vehicles cannot get into space on their own, and require a launch vehicle (carrier rocket). On a sub-orbital spaceflight, a space vehicle enters space and then returns to the surface without having gained sufficient energy or velocity to make a full Geocentric orbit, Earth orbit. For orbital spaceflights, spacecraft enter closed orbits around the Earth or around other Astronomical object, celestial bodies. Spacecraft used for human spaceflight carry people on board as crew or passengers from start or on orbit ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Seaman (rank)
Seaman is a military rank used in many Navy, navies around the world. It is considered a junior enlisted rank and, depending on the navy, it may be a single rank on its own or a name shared by several similarly junior ranks. In the Commonwealth of Nations, Commonwealth, it is the lowest rank in the navy, except in Canada where the Royal Canadian Navy now uses the gender-neutral title sailor in English and matelot in French. In the United States, it refers to the three lowest ranks of the United States Navy, U.S. Navy and United States Coast Guard, U.S. Coast Guard. The equivalent of the seaman is the ''matelot'' in French-speaking countries, and ''Matrose'' in German-speaking countries. Australia The Royal Australian Navy features one seaman rank, which is split into two distinct classes. Seaman and seaman* (pronounced "seaman star"), to differentiate between those who have completed their employment training and those who are in training. There is no insignia on a seaman ran ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
