Military personnel in the context of "Front line"

This list of wars by death toll includes all deaths directly or indirectly caused by the deadliest wars in history. These numbers encompass the deaths of military personnel resulting directly from battles or other wartime actions, as well as wartime or war-related civilian deaths, often caused by war-induced epidemics, famines, or genocides. Due to incomplete records, the destruction of evidence, differing counting methods, and various other factors, the death tolls of wars are often uncertain and highly debated. For this reason, the death tolls in this article typically provide a range of estimates.

Compiling such a list is further complicated by the challenge of defining a war. Not every violent conflict constitutes a war; for instance, mass killings and genocides occurring outside of wartime are excluded, as they are not necessarily wars in themselves. This list broadly defines war as an extended conflict between two or more armed political groups. Consequently, it excludes mass death events, such as human sacrifices, ethnic cleansing operations, and acts of state terrorism or political repression during peacetime or in contexts unrelated to war.
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A military government is any government that is administered by a military, whether or not this government is legal under the laws of the jurisdiction at issue or by an occupying power. It is usually administered by military personnel.

Marines (or naval infantry) are military personnel generally trained to operate on both land and sea, with a particular focus on amphibious warfare. Historically, the main tasks undertaken by marines have included raiding ashore (often in support of naval objectives) and the boarding of vessels during ship-to-ship combat or capture of prize ships. Marines also assisted in maintaining security, discipline, and order aboard ships (reflecting the historically pressed-nature of the rest of the ship's company and the risk of mutiny). While maintaining many of their historical roles, in modern times, marines also engage in duties including rapid-response operations, humanitarian aid, disaster relief, special operations roles, and counter-terrorism operations. In most nations, marines are an integral part of that state's navy, such as the United Kingdom's Royal Marines or Russia's Naval Infantry; in some countries their marine forces can instead be part of the land army, such as the French Troupes de marine, or, more uncommonly, a nation’s marine forces may be an independent military branch such as the United States Marine Corps or the Ukrainian Marine Corps.

The exact term "marine" is not found in many languages other than English. In French-speaking countries, two terms which could be translated as "marine", but do not translate exactly: troupes de marine (marine troops) and fusiliers-marins (marine riflemen) and fuzileiros navais in Portuguese (lit. 'Naval fusiliers'). The word marine means "navy" in many European languages such as Dutch, French, German, Italian and Norwegian. “Naval infantry” may also refer to sailors forming both temporary and permanent infantry units, such as the British WWI-era 63rd (Royal Naval) Division (an infantry division made-up of Royal Navy sailors and Royal Marines on a semi-permanent basis) or the Imperial Japanese Naval Landing Forces (ad-hoc formations of Imperial Japanese Navy sailors temporarily pressed into service as infantry).

In war, civilians are people who are not members of any armed force to the conflict. It is a war crime under the law of armed conflict to deliberately target civilians with military attacks, along with numerous other considerations to minimize civilian casualties during times of war. Civilians engaging in hostilities are considered unlawful combatants, and lose their protection from attack.

A civilian is slightly different from a non-combatant, because some non-combatants are not civilians (for example, people who are not in a military but support war effort or military operations, military chaplains, or military personnel who are serving with a neutral country). Civilians in the territories of a party to an armed conflict are entitled to certain privileges under the customary laws of war and international treaties such as the Fourth Geneva Convention. The privileges that they enjoy under international law depends on whether the conflict is a civil war or an international one.

The Supreme Commander for the Allied Powers (Japanese: 連合国軍最高司令官, romanized: Rengōkokugun saikōshireikan), or SCAP, was the title held by General Douglas MacArthur during the United States–led Allied occupation of Japan following World War II. It issued SCAP Directives (alias SCAPIN, SCAP Index Number) to the Japanese government, aiming to suppress its "militaristic nationalism". The position was created at the start of the occupation of Japan on August 14, 1945. It was originally styled the Supreme Commander of the Allied Powers.

In Japan, the position was generally referred to as GHQ (General Headquarters), as SCAP also referred to the offices of the occupation (which was officially referred by SCAP itself as General Headquarters, Supreme Commander for the Allied Powers (連合国軍最高司令官総司令部, Rengōkokugun saikōshireikan sōshireibu; abbreviated as GHQ–SCAP)), including a staff of several hundred US civil servants as well as military personnel. Some of these personnel effectively wrote a first draft of the Japanese Constitution, which the National Diet then ratified after a few amendments. Australian, British Empire, and New Zealand forces under SCAP were organized into a sub-command known as British Commonwealth Occupation Force.

A baton (also truncheon, nightstick, billy club, billystick, cosh, lathi, or simply stick) is a roughly cylindrical club made of wood, rubber, plastic, or metal. It is carried as a compliance tool and defensive weapon by law-enforcement officers, correctional staff, security guards and military personnel. The name baton comes from the French bâton (stick), derived from Old French Baston, from Latin bastum.

As a weapon a baton may be used defensively (to block) or offensively (to strike, jab, or bludgeon), and it can aid in the application of armlocks. The usual striking or bludgeoning action is not produced by a simple and direct hit, as with an ordinary blunt object, but rather by bringing the arm down sharply while allowing the truncheon to pivot nearly freely forward and downward, so moving its tip much faster than its handle. Batons are also used for non-weapon purposes such as breaking windows to free individuals trapped in a vehicle, or turning out a suspect's pockets during a search (as a precaution against sharp objects).

Repatriation is the return of a thing or person to its or their country of origin, respectively. The term may refer to non-human entities, such as converting a foreign currency into the currency of one's own country, as well as the return of military personnel to their place of origin following a war. It also applies to diplomatic envoys, international officials as well as expatriates and migrants in time of international crisis. For refugees, asylum seekers and illegal migrants, repatriation can mean either voluntary return or deportation.

A military parade is a formation of military personnels whose movement is restricted by close-order manoeuvering known as drill or marching. Large military parades are today held on major holidays and military events around the world. Massed parades may also hold a role for propaganda purposes, being used to exhibit the apparent military strength of a country.