Captain (armed forces)The army rank of captain (from the French: ) is a commissioned officer rank historically corresponding to the command of a company of soldiers. The rank is also used by some air forces and marine forces, but usually refers to a more senior officer. HistoryThe term ultimately goes back to Late Latin meaning "head of [something]"; in Middle English adopted as capitayn in the 14th century, from Old Frenchcapitaine.
Officer (armed forces)Person in a position of authority A British Army commissioned officer (left) and warrant officer (right) in Afghanistan, 2011 An officer is a person who holds a position of authority as a member of an armed force or uniformed service. Broadly speaking, "officer" means a commissioned officer, a non-commissioned officer (NCO), or a warrant officer.
Second lieutenantSecond lieutenant is a junior commissioned officermilitary rank in many armed forces. The lowest officer rank, it is usually placed below lieutenant or first lieutenant. AustraliaThe rank of second lieutenant existed in the military forces of the Australian colonies and Australian Army until 1986. In the colonial forces, which closely followed the practices of the British military, the rank of second lieutenant began to replace ranks such as ensign and cornet from 1871.LieutenantA lieutenant is a junior commissioned officer rank in the armed forces of many nations, as well as fire services, emergency medical services, security services and police forces. The rank in armies and air forces is often subdivided into subcategories of seniority. In English-speaking navies, lieutenants are often equivalent to the army rank of captain; in other navies, the lieutenants are usually equal to their army counterparts.Executive officerAn executive officer is a person who is principally responsible for leading all or part of an organization, although the exact nature of the role varies depending on the organization. In many militaries and police forces, an executive officer (XO) is the second-in-command, reporting to the commanding officer (CO). The XO is typically responsible for the management of day-to-day activities, freeing the commander to concentrate on strategy and planning the unit's next move.
Royal NavyThe Royal Navy (RN) is the naval warfare force of the United Kingdom, responsible for defending the country, the Crown Dependencies, and the Overseas Territories from naval attack or invasion. It is a component of His Majesty's Naval Service, and its officers hold their commissions from the King. Although warships were used by English and Scottish kings from the early medieval period, the first major maritime engagements were fought in the Hundred Years' War against France.
Israel Defense ForcesCombined military forces of IsraelThe Israel Defense Forces (IDF; Hebrew: צְבָא הֲגָנָה לְיִשְׂרָאֵל, romanized: Tsva Hagana le-Yisra'el, lit. 'Army for the Defense of Israel'), alternatively referred to by the Hebrew-language acronym Tzahal (צה״ל), is the national military of the State of Israel. It consists of three service branches: the Israeli Ground Forces, the Israeli Air Force, and the Israeli Navy.
SubmarineWatercraft capable of independent underwater operationRussian Akula-class submarine of the Northern Fleet, in 2008World War II fleet submarine (Gato, Balao or Tench class), commissioned 1941–1945The first nuclear-powered submarineUSS Nautilus (SSN-571), commissioned 1954The ballistic missile submarineUSS George Washington (SSBN-598), commissioned 1959A submarine (often shortened to sub) is a watercraft capable of independent operation underwater.
Military rankMilitary ranks are a system of hierarchical relationships within armed forces, police, intelligence agencies and other institutions organized along military lines. Responsibility for personnel, equipment and missions grows with each advancement. The military rank system defines dominance, authority and responsibility within a military hierarchy.List of comparative military ranksThis article is a list of various nations' armed forcesranking designations. Comparisons are made between the different systems used by nations to categorize the hierarchy of an armed force compared to another. Several of these lists mention NATO rank reference codes. These are used for easy comparison among NATO countries. Links to comparison charts can be found below.
IndonesiaIndonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania, between the Indian and Pacific oceans. Comprising between 13,000 and 17,000 islands, including Sumatra, Java, Sulawesi, and parts of Borneo and New Guinea, it is the world's largest archipelagic state and the 14th-largest country by area. Indonesia has extensive tropical forests and marine ecosystems that support one of the world's highest levels of biodiversity.MilitaryOrganized force intended for warfareNATO military ceremony in Pabradė, Lithuania, November 2014A military, also known collectively as armed forces, is a heavily armed, highly organized force primarily intended for warfare. Militaries are typically authorized and maintained by a sovereign state, with their members identifiable by a distinct military uniform.
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