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INFO: Full form for GSU is Ground Staff Office in Military and Defence category
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INFO: Full form for AVO is Avoid Verbal Orders in Military and Defence category
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INFO: Full form for BSO is Battalion Signal Officer in Military and Defence category
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Army Emergency Relief (AER), often referred to by the longer title Army Emergency Relief Fund, is a non-profit, charitable organization independent of, but closely associated with the United States Army, founded in 1942. The organization is headquartered in Arlington, VA.

INFO: Full form for BVF is Beyond Visual Fighting in Military and Defence category
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INFO: Full form for PVO is Protiv Vozdushnaya Oborna (russian Air Defense Forces) in Military and Defence category
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INFO: Full form for PVO is Private Voluntary Organization in Military and Defence category
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INFO: Full form for RBE is Realistic Battlefield Environment in Military and Defence category
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INFO: Full form for RBE is Remain-behind Equipment in Military and Defence category
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An overseas housing allowance (OHA) is a United States military entitlement given to military servicemen and women living overseas. It is administered by Defense Travel Management Office (DTMO) and is the overseas equivalent of the Basic Allowance for Housing. OHA is intended to private lease local housing instead of living in government or on-base housing. Over $1.8 billion is paid in OHA benefiting approximately 61,000 members annually.

The China Youth Corps (中國靑年救國團; 'China Youth National Salvation Corps'; until 2000: 中國靑年反共救國團; 'China Youth Anti-Communist National Salvation Corps'), often known simply as CYC (救國團), is a youth organization in the Republic of China.

The CYC was established in 1952, on the recommendation of the then president Chiang Kai-shek; its first chairperson was his son Chiang Ching-Kuo. The original purpose of the CYC was to provide basic military training to youths before they were conscripted into the Nationalist armed forces. At that time the CYC was very much a quasi-governmental, quasi-political organization with close ties to the Kuomintang regime, similar in many ways to the Communist Youth League of the People's Republic of China.

Over the decades the CYC has lost much of its militaristic character, shifting its focus into providing recreational services to Taiwanese and Overseas Chinese alike (such as through the annual Overseas Chinese Youth Language Training and Study Tour to the Republic of China), although military camps remain one of the many activities it offers. Indeed, the CYC continued to provide military education textbooks to high school students until as recently as the 1990s.

On 28 August 1989 the CYC became a non-governmental organization, thereby officially severing its ties with the Kuomintang regime; nonetheless many Taiwanese today still regard the CYC's senior management as being supportive towards the Pan-Blue Coalition. On 25 October 2000, the CYC officially dropped "Anti-Communist" from its official name.

INFO: Full form for JST is Job Standard in Military and Defence category
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World War I or the First World War, often abbreviated as WWI or WW1, was a global war originating in Europe that lasted from 28 July 1914 to 11 November 1918. Contemporaneously known as the Great War or "the war to end all wars", it led to the mobilisation of more than 70 million military personnel, including 60 million Europeans, making it one of the largest wars in history, and also one of the deadliest conflicts in history, with an estimated 8.5 million combatant deaths and 13 million civilian deaths as a direct result of the war. Resulting genocides and the related 1918 Spanish flu pandemic caused many millions of deaths worldwide.

On 28 June 1914, Gavrilo Princip, a Bosnian Serb Yugoslav nationalist and member of the Serbian Black Hand military society, assassinated the Austro-Hungarian heir Archduke Franz Ferdinand in Sarajevo, leading to the July Crisis. In response, Austria-Hungary issued an ultimatum to Serbia on 23 July. Serbia's reply failed to satisfy the Austrians, and the two moved to a war footing. A network of interlocking alliances enlarged the crisis from a bilateral issue in the Balkans to one involving most of Europe. By July 1914, the great powers of Europe were divided into two coalitions: the Triple Entente, consisting of France, Russia, and Britain; and the preestablished Triple Alliance of Germany, Austria-Hungary, and Italy. The Triple Alliance was only defensive in nature, allowing Italy to stay out of the war until 26 April 1915, when it joined the Allied Powers after its relations with Austria-Hungary deteriorated. Russia felt it necessary to back Serbia, and approved partial mobilisation after Austria-Hungary shelled the Serbian capital of Belgrade, which was a few kilometres from the border, on 28 July 1914. Full Russian mobilisation was announced on the evening of 30 July; the following day, Austria-Hungary and Germany did the same, while Germany demanded Russia demobilise within twelve hours. When Russia failed to comply, Germany declared war on Russia on 1 August 1914 in support of Austria-Hungary, the latter following suit on 6 August 1914. France ordered full mobilisation in support of Russia on 2 August 1914. In the end, World War I would see the continent of Europe split into two major opposing alliances; the Allied Powers, primarily composed of the United Kingdom of Great Britain and Ireland, the United States, France, the Russian Empire, Italy, Japan, Portugal, Greece, Serbia and Montenegro; and the Central Powers, primarily composed of the German Empire, the Austro-Hungarian Empire, the Ottoman Empire and Bulgaria.

Germany's strategy for a war on two fronts against France and Russia was to rapidly concentrate the bulk of its army in the West to defeat France within 6 weeks, then shift forces to the East before Russia could fully mobilise; this was later known as the Schlieffen Plan. On 2 August, Germany demanded free passage through Belgium, an essential element in achieving a quick victory over France. When this was refused, German forces invaded Belgium on 3 August and declared war on France the same day; the Belgian government invoked the 1839 Treaty of London and, in compliance with its obligations under this treaty, Britain declared war on Germany on 4 August. On 12 August, Britain and France also declared war on Austria-Hungary; on 23 August, Japan sided with Britain, seizing German possessions in China and the Pacific. In November 1914, the Ottoman Empire entered the war on the side of Austria-Hungary and Germany, opening fronts in the Caucasus, Mesopotamia, and the Sinai Peninsula. The war was fought in (and drew upon) each power's colonial empire also, spreading the conflict to Africa and across the globe.

The German advance into France was halted at the Battle of the Marne and by the end of 1914, the Western Front settled into a war of attrition, marked by a long series of trench lines that changed little until 1917 (the Eastern Front, by contrast, was marked by much greater exchanges of territory). In 1915, Italy joined the Allied Powers and opened a front in the Alps. Bulgaria joined the Central Powers in 1915 and Greece joined the Allies in 1917, expanding the war in the Balkans. The United States initially remained neutral, though even while neutral it became an important supplier of war materiel to the Allies. Eventually, after the sinking of American merchant ships by German submarines, the declaration by Germany that its navy would resume unrestricted attacks on neutral shipping, and the revelation that Germany was trying to incite Mexico to initiate war against the United States, the U.S. declared war on Germany on 6 April 1917. Trained American forces did not begin arriving at the front in large numbers until mid-1918, but the American Expeditionary Force ultimate reference

World War I or the First World War, often abbreviated as WWI or WW1, was a global war originating in Europe that lasted from 28 July 1914 to 11 November 1918. Contemporaneously known as the Great War or "the war to end all wars", it led to the mobilisation of more than 70 million military personnel, including 60 million Europeans, making it one of the largest wars in history, and also one of the deadliest conflicts in history, with an estimated 8.5 million combatant deaths and 13 million civilian deaths as a direct result of the war. Resulting genocides and the related 1918 Spanish flu pandemic caused many millions of deaths worldwide.

On 28 June 1914, Gavrilo Princip, a Bosnian Serb Yugoslav nationalist and member of the Serbian Black Hand military society, assassinated the Austro-Hungarian heir Archduke Franz Ferdinand in Sarajevo, leading to the July Crisis. In response, Austria-Hungary issued an ultimatum to Serbia on 23 July. Serbia's reply failed to satisfy the Austrians, and the two moved to a war footing. A network of interlocking alliances enlarged the crisis from a bilateral issue in the Balkans to one involving most of Europe. By July 1914, the great powers of Europe were divided into two coalitions: the Triple Entente, consisting of France, Russia, and Britain; and the preestablished Triple Alliance of Germany, Austria-Hungary, and Italy. The Triple Alliance was only defensive in nature, allowing Italy to stay out of the war until 26 April 1915, when it joined the Allied Powers after its relations with Austria-Hungary deteriorated. Russia felt it necessary to back Serbia, and approved partial mobilisation after Austria-Hungary shelled the Serbian capital of Belgrade, which was a few kilometres from the border, on 28 July 1914. Full Russian mobilisation was announced on the evening of 30 July; the following day, Austria-Hungary and Germany did the same, while Germany demanded Russia demobilise within twelve hours. When Russia failed to comply, Germany declared war on Russia on 1 August 1914 in support of Austria-Hungary, the latter following suit on 6 August 1914. France ordered full mobilisation in support of Russia on 2 August 1914. In the end, World War I would see the continent of Europe split into two major opposing alliances; the Allied Powers, primarily composed of the United Kingdom of Great Britain and Ireland, the United States, France, the Russian Empire, Italy, Japan, Portugal, Greece, Serbia and Montenegro; and the Central Powers, primarily composed of the German Empire, the Austro-Hungarian Empire, the Ottoman Empire and Bulgaria.

Germany's strategy for a war on two fronts against France and Russia was to rapidly concentrate the bulk of its army in the West to defeat France within 6 weeks, then shift forces to the East before Russia could fully mobilise; this was later known as the Schlieffen Plan. On 2 August, Germany demanded free passage through Belgium, an essential element in achieving a quick victory over France. When this was refused, German forces invaded Belgium on 3 August and declared war on France the same day; the Belgian government invoked the 1839 Treaty of London and, in compliance with its obligations under this treaty, Britain declared war on Germany on 4 August. On 12 August, Britain and France also declared war on Austria-Hungary; on 23 August, Japan sided with Britain, seizing German possessions in China and the Pacific. In November 1914, the Ottoman Empire entered the war on the side of Austria-Hungary and Germany, opening fronts in the Caucasus, Mesopotamia, and the Sinai Peninsula. The war was fought in (and drew upon) each power's colonial empire also, spreading the conflict to Africa and across the globe.

The German advance into France was halted at the Battle of the Marne and by the end of 1914, the Western Front settled into a war of attrition, marked by a long series of trench lines that changed little until 1917 (the Eastern Front, by contrast, was marked by much greater exchanges of territory). In 1915, Italy joined the Allied Powers and opened a front in the Alps. Bulgaria joined the Central Powers in 1915 and Greece joined the Allies in 1917, expanding the war in the Balkans. The United States initially remained neutral, though even while neutral it became an important supplier of war materiel to the Allies. Eventually, after the sinking of American merchant ships by German submarines, the declaration by Germany that its navy would resume unrestricted attacks on neutral shipping, and the revelation that Germany was trying to incite Mexico to initiate war against the United States, the U.S. declared war on Germany on 6 April 1917. Trained American forces did not begin arriving at the front in large numbers until mid-1918, but the American Expeditionary Force ultimate reference

INFO: Full form for WTD is Water Tight Door in Military and Defence category
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INFO: Full form for WTD is Working Team Dog in Military and Defence category
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INFO: Full form for WHT is Weapons Handling Test in Military and Defence category
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INFO: Full form for OPI is Oral Presentation Initiative in Military and Defence category
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INFO: Full form for OPI is Officer of Principal Interest in Military and Defence category
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The Pakistan Air Force (PAF) (Urdu: پاک فِضائیہ‎, romanized: Pāk Fìzāʾiyah; pronounced [pɑːk fɪzɑːɪjəɦ]) is the aerial warfare branch of the Pakistan Armed Forces, tasked primarily with the aerial defence of Pakistan, with a secondary role of providing air support to the Pakistan Army and Navy when required, and a tertiary role of providing strategic airlift capability to Pakistan. As of 2021, as per the International Institute for Strategic Studies, the PAF has 70,000 active-duty personnel and operates at least 594 aircraft.Its primary mandate and mission is "to provide, in synergy with other inter-services, the most efficient, assured and cost effective aerial defence of Pakistan." Since its establishment in 1947, the PAF has been involved in various combat operations, providing aerial support to the operations and relief efforts of the Pakistani military. Under Article 243, the Constitution of Pakistan appoints the President of Pakistan as the civilian Commander-in-Chief of the Pakistan Armed Forces. The Chief of Air Staff (CAS), by statute a four-star commissioned air officer, is appointed by the President with the consultation and confirmation needed from the Prime Minister of Pakistan.

INFO: Full form for PAF is Pretoria Arms Factory in Military and Defence category
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The Philippine Air Force (PAF; Filipino: Hukbong Himpapawid ng Pilipinas) is the aerial warfare service branch of the Armed Forces of the Philippines. Initially formed as part of the Philippine Army (Philippine Army Air Corps), the PAF is responsible for both defending the Philippine airspace, and conducting aerial operations throughout the Philippines, such as close air support operations, combat air patrols, aerial reconnaissance missions, airlift operations, helicopter tactical operations and aerial humanitarian operations. The PAF is headquartered at the Villamor Air Base in Pasay, and is headed by the Chief of the Air Force, who also serves as the branch's highest-raking military officer. The PAF has an estimated strength of over 15,000 personnel and operates 203 aircraft.

INFO: Full form for PAF is Personnel Authorization File in Military and Defence category
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INFO: Full form for OEC is Operational Evaluation Command in Military and Defence category
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INFO: Full form for NAO is Norfolk Area Office, Usace in Military and Defence category
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INFO: Full form for OAR is Chairman of The Joint Chiefs of Staff Operation Plans Assessment Report in Military and Defence category
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Observe and Report is a 2009 American black comedy film written and directed by Jody Hill and starring Seth Rogen, Anna Faris, and Ray Liotta. The plot follows a mentally unstable vigilante mall cop who attempts to join the police academy and pursues a flasher tormenting female visitors to the mall where he works. The film was released on April 10, 2009 and grossed $27 million.

INFO: Full form for OAR is Operation Air Raid in Military and Defence category
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INFO: Full form for LTF is Logistics Task Force in Military and Defence category
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INFO: Full form for IRG is Iraq Republic Guard in Military and Defence category
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Fire-and-forget is a type of missile guidance which does not require further guidance after launch such as illumination of the target or wire guidance, and can hit its target without the launcher being in line-of-sight of the target. This is an important property for a guided weapon to have, since a person or vehicle that lingers near the target to guide the missile (using, for instance, a laser designator) is vulnerable to attack and unable to carry out other tasks.

Generally, information about the target is programmed into the missile just prior to launch. This can include coordinates, radar measurements (including velocity), or an infrared image of the target. After it is fired, the missile guides itself by some combination of gyroscopes and accelerometers, GPS, organic active radar homing, and infrared homing optics. Some systems offer the option of either continued input from the launch platform or fire-and-forget.

Fire-and-forget missiles also have the tendency to be deflected by soft-kill systems on modern main battle tanks as well as also getting destroyed by hard-kill systems. As opposed to unguided RPGs which require a hard-kill system (a counter projectile(s) used to destroy the incoming missile), fire-and-forget missiles can often be jammed by means such as electro-optical dazzlers.