An army (from Latin arma "arms, weapons" via Old French armée, "armed" (feminine)) or ground force is a fighting force that fights primarily on land. In the broadest sense, it is the land-based military branch, service branch or armed service of a nation or state. It may also include other branches of the military such as the air force via means of aviation corps. Within a national military force, the word army may also mean a field army. They differ from army reserves who are activated only during such times as war or natural disasters.
In several countries, the army is officially called the Land Army to differentiate it from an air force called the Air Army, notably France. In such countries, the word "army" on its own retains its connotation of a land force in common usage. The current largest army in the world, by number of active troops, is the People's Liberation Army of China with 2,250,000 active troops and 800,000 reserve personnel followed by the Indian Army with 1,129,000 active troops and 2,142,900 reserve personnel.
By convention, irregular military is understood in contrast to regular armies which grew slowly from personal bodyguards or elite militia. Regular in this case refers to standardized doctrines, uniforms, organizations, etc. Regular military can also refer to full-time status (standing army), versus reserve or part-time personnel. Other distinctions may separate statutory forces (established under laws such as the National Defence Act), from de facto "non-statutory" forces such as some guerrilla and revolutionary armies. Armies may also be expeditionary (designed for overseas or international deployment) or fencible (designed for – or restricted to – homeland defence).

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  1. M

    ACU UCP uniforms

    Selling this as a whole $140 OBO for everything here. Are really good for airsoft or paintball. Let me know if there's something specific that y'all are looking for. Sizes are medium for most of them. Medium regular and medium short & long
  2. UnionMillsNW

    Personal & Family Survival Manual 1963

    Hey Folks, I have a "Personal & Family Survival" student manual that was published by the Department of Defense in 1963. This book contains a mix of historical curiosities (having a fallout shelter) and practical information (what to stock for emergencies). This book was issued to an Oregon...
  3. Roymil666

    Old Military Memorabilia

    So I bought a house with a garage full of junk but there is some cool stuff. There are a few file cabinets full of old military manuals, pictures/posters and magazines. Black military dress boots (several pairs and sizes). Not too sure what any of it is worth but I'd like to get something out...
  4. UnionMillsNW

    5.56 Key Chains - Fundraiser for Veterans

    Hey Folks! I'm running the Marine Corps Marathon this month to raise money for Hire Heroes USA, which is a great non-profit that helps Veterans and military spouses find employment. As a "Thank You" for supporting Veterans and helping me run the marathon I'm sending a handmade 5.56 Brass Key...
  5. RicInOR

    Today is Flag Day and the birthday of the U.S. Army.

    Today is Flag Day and the birthday of the U.S. Army.
  6. RicInOR

    MOH - Army Staff Sgt. David Bellavia

    Soldier to become Iraq War's first living Medal of Honor recipient "This month, he will deservedly become the first living Medal of Honor recipient of the Iraq War. He serves as a symbol of the bravery and selflessness of his generation of war veterans," he said.
  7. RicInOR

    M4 Replacement? ARMY Testing - hypervelocity FA

    US Army researchers are turning it ‘up to 11’ to make hypervelocity firearms | TechLink Experimental firings were conducted in March with a cartridge that contained less than a gram of propellant (15 grains). The muzzle velocity was over 2,900 feet per second, “The goal is to get rifle-like...
  8. Howard1955

    National  The World’s Largest Army?

    Call them Fudds, Bubbas, or anything you like - but the hunters in the USA have been (and are) a force to be reckoned with. ********** Copied from Facebook: “Food for thought when next we consider gun control.” Here's an interesting side bar. After the Japanese decimated our fleet in...
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