Active duty
Active duty refers to a full-time occupation as part of a military force, as opposed to reserve duty
Military reserve
A military reserve, tactical reserve, or strategic reserve is a group of military personnel or units which are initially not committed to a battle by their commander so that they are available to address unforeseen situations or exploit suddenly developing...



The Pakistan Armed Forces are one of the largest active service forces in the world with almost 610,000 full time personnel due to the complex and volatile nature of Pakistan's neighborhood and its porous border with Afghanistan. An additional 500,000 part time reservists(including armed civilians of FATA
The FATA or FC-ATA is a type of computer hard disk drive. FATA is simply the low cost ATA or SATA disk drive equipped with a small external converter, that changes the interface to Fibre Channel...

) can be activated in a few weeks as per the situation under the order of the President of Pakistan
President of Pakistan
The President of Pakistan is the head of state, as well as figurehead, of the Islamic Republic of Pakistan. Recently passed an XVIII Amendment , Pakistan has a parliamentary democratic system of government. According to the Constitution, the President is chosen by the Electoral College to serve a...

 who is the Commander and Chief of the Armed Forces of Pakistan
Pakistan , officially the Islamic Republic of Pakistan is a sovereign state in South Asia. It has a coastline along the Arabian Sea and the Gulf of Oman in the south and is bordered by Afghanistan and Iran in the west, India in the east and China in the far northeast. In the north, Tajikistan...

. This does not include the additional 308,000 troops of the Paramilitary who too are an active force whose full time responsibility is to guard the sovereignty of the nation from internal and external threats.


The Indian Armed Forces
Indian Armed Forces
The Indian Armed Forces are the military forces of the Republic of India. They consist of the Army, Navy and Air Force, supported by three paramilitary forces and various inter-service institutions such as the Strategic Forces Command.The President of India is...

 are roughly considered to be the largest active service forces in the world with almost 1.32 million Active Standing Army due to the complex and volatile nature of India's neighborhood and the ongoing Kashmir insurgencies. At least 500,000-700,000 troops from the armed forces are stand-by in Jammu & Kashmir to neutralize for any threats. An additional 1.80 to 2.14 million reserve forces can be activated in a few weeks as per the situation under the order of the President of India
President of India
The President of India is the head of state and first citizen of India, as well as the Supreme Commander of the Indian Armed Forces. President of India is also the formal head of all the three branches of Indian Democracy - Legislature, Executive and Judiciary...

 who is the Commander and Chief of the Armed Forces of India
India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

. This does not include the additional 1.30 million troops of the Paramilitary who too are an active force whose full time responsibility is to guard the sovereignty of the nation from internal and external threats.


In the Israel Defense Forces
Israel Defense Forces
The Israel Defense Forces , commonly known in Israel by the Hebrew acronym Tzahal , are the military forces of the State of Israel. They consist of the ground forces, air force and navy. It is the sole military wing of the Israeli security forces, and has no civilian jurisdiction within Israel...

, there are two types of active duty: regular service , and active reserve duty ( Sherut Milu'im Pa'il, abbr. Shamap). Regular service refers to either mandatory service , according to the laws of Israel
The State of Israel is a parliamentary republic located in the Middle East, along the eastern shore of the Mediterranean Sea...

, or standing army
Standing army
A standing army is a professional permanent army. It is composed of full-time career soldiers and is not disbanded during times of peace. It differs from army reserves, who are activated only during wars or natural disasters...

 service , which consists of paid NCOs
Non-commissioned officer
A non-commissioned officer , called a sub-officer in some countries, is a military officer who has not been given a commission...

 and officers
Officer (armed forces)
An officer is a member of an armed force or uniformed service who holds a position of authority. Commissioned officers derive authority directly from a sovereign power and, as such, hold a commission charging them with the duties and responsibilities of a specific office or position...


Active reserve service refers to the actual time in which reservists are called up. This varies from once every few years to a month every year. During active reserve duty, military law
Military law
Military justice is the body of laws and procedures governing members of the armed forces. Many states have separate and distinct bodies of law that govern the conduct of members of their armed forces. Some states use special judicial and other arrangements to enforce those laws, while others use...

 can be applied to reservists, similarly to regular soldiers.

United States

In the United States military
Military of the United States
The United States Armed Forces are the military forces of the United States. They consist of the Army, Navy, Marine Corps, Air Force, and Coast Guard.The United States has a strong tradition of civilian control of the military...

, active duty refers to military members who are currently serving full time in their military capacity. Members of a reserve component are not generally considered active duty. However, in support of the Global War on Terror
War on Terror
The War on Terror is a term commonly applied to an international military campaign led by the United States and the United Kingdom with the support of other North Atlantic Treaty Organisation as well as non-NATO countries...

 and other contingency operations, a large number of Reservists in all branches have been called to active duty in an operational capacity. Many will argue that today's Reserve forces are no longer the "strategic" Reserve of the Cold War
Cold War
The Cold War was the continuing state from roughly 1946 to 1991 of political conflict, military tension, proxy wars, and economic competition between the Communist World—primarily the Soviet Union and its satellite states and allies—and the powers of the Western world, primarily the United States...

. Those Reservists deployed in support of contingency operations, either as a unit or by individual augmentation, are also considered active duty. These terms may also be applied to military forces of other nations, although the details concerning obligations to serve may differ.
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