The Infantry of the British Army, comprises 49 infantry battalions, from 19 regiments. Of these, 33 battalions are part of the Regular army and the remaining 16 a part of the Army Reserve. The British Army's Infantry takes on a variety of roles, including armoured, mechanised, air assault and light.
A regiment is a military unit. Its role and size varies markedly, depending on the country, service and/or a specialisation.
The Brigade of Gurkhas is the collective name which refers to all the units in the British Army that are composed of Nepalese Gurkha soldiers. The brigade draws its heritage from Gurkha units that originally served in the British Indian Army prior to Indian independence, and prior to that served for the East India Company. The brigade includes infantry, engineering, signal, logistic and training and support units. They are known for their khukuri, a distinctive heavy knife with a curved blade, and have a reputation for being fierce and brave soldiers.
Military recruit training, commonly known as basic training or boot camp, refers to the initial instruction of new military personnel. It is a physically and psychologically intensive process, which resocializes its subjects for the unique demands of military employment.
The Parachute Regiment, colloquially known as the Paras, is an airborne infantry regiment of the British Army. The first battalion is part of the Special Forces Support Group under the operational command of the Director Special Forces. The other battalions are the parachute infantry component of the British Army's rapid response formation, 16 Air Assault Brigade. The Paras, along with the Guards, are the only line infantry regiment of the British Army that has not been amalgamated with another unit since the end of the Second World War.
Catterick Garrison is a major garrison and military town 3 miles (5 km) south of Richmond, North Yorkshire, England. It is the largest British Army garrison in the world, with a population of around 13,000 in 2017 and covering over 2,400 acres. Under plans announced by the Ministry of Defence (MoD) in November 2005, its population is expected to grow to over 25,000, making it the largest population centre in the local area.
The Royal Gurkha Rifles (RGR) is a rifle regiment of the British Army, forming part of the Brigade of Gurkhas. Unlike other regiments in the British Army, RGR soldiers are recruited from Nepal, which is neither a dependent territory of the United Kingdom nor a member of the Commonwealth.
The Parachute Regiment is an airborne and special forces regiment of the Indian Army. It was raised in 1945 as part of the British Indian Army but was disbanded after World War II and was re-raised in 1952 as part of the Indian Army. Currently it consists of fifteen Special Forces, two Territorial Army and one Rashtriya Rifles battalions.
The British Army primarily divides its infantry into regiments, which are subdivided into battalions. However, for various reasons, since the end of the Second World War it has also maintained companies that are intended to provide increments and reinforcements.
The United States Army Airborne School – widely known as Jump School – conducts the basic paratrooper training for the United States Armed Forces. It is operated by the 1st Battalion (Airborne), 507th Infantry, United States Army Infantry School, Fort Benning, Georgia. The Airborne School conducts the Basic Airborne Course, which is open to troops from all branches of the United States Department of Defense, Reserve Officer Training Corps, and allied military personnel.
A rifleman is an infantry soldier armed with a rifled long gun. Although the rifleman role had its origin with 16th century hand cannoneers and 17th century musketeers, the term originated in the 18th century with the introduction of the rifled musket. By the mid-19th century, entire regiments of riflemen were formed and became the mainstay of all standard infantry, and rifleman became a generic term for any common infantryman.
The United States Army Infantry School is a school located at Fort Benning, Georgia that is dedicated to training infantrymen for service in the United States Army.
The 4th Battalion, Parachute Regiment, is an Army Reserve unit of the British Army and is based across the United Kingdom. Originally the Battalion covered the North of England, with its headquarters located in Pudsey, West Yorkshire. Following the Options for Change review in 1993, 4 PARA amalgamated with the 15th (Scottish) Battalion of the Parachute Regiment, which was downsized and became 15 (Scottish) Company of 4 PARA. As part of further changes in 1999, the Battalion also merged with the 10th (Volunteer) Battalion which then became 10 (London) Company.
Selection and training in the British Army is the process by which candidates for service are identified, inducted and brought onto the trained strength. The process is the responsibility of the Adjutant General, the personnel director for the Army based at Trenchard Lines in Wiltshire.
The Regimento de Paraquedistas, based in Tancos, Portugal, is a unit of the Portuguese Army and serves as the instruction center for recruitment and training of the Portuguese paratroopers. This unit includes an entire battalion, acting as support and reserve for airborne units which contains for example, military war dogs and airborne pathfinders and an instruction battalion responsible for the forming of new paratroopers.
The United States Army Pathfinder School trains personnel in the U.S. Army and its sister services to set up parachute drop zones and helicopter landing zones for airborne and air assault missions.
The 21st Infantry Regiment, Queen Sirikit's Guard is an elite force King's Guard regiment under the 2nd Infantry Division, Queen Sirikit's Guard of the Royal Thai Army. They are trained like special operations forces. The regiment was created in 1950. It is known as the Queen's Guard or Thahan Suea Rachini. It is sometimes referred to as the "Eastern Tigers". The regiment is based in Chonburi.
The structure of the British Army of the United Kingdom (UK) is currently being reorganised to the Future Soldier structure. Due to these reforms taking place gradually, it is likely that some areas will not be fully complete. The British Army is commanded by the Chief of the General Staff (CGS), with Army Headquarters which is located in Andover, Hampshire. Subordinate to that post, there is a Commander Field Army, and a personnel and UK operations command, Home Command.
Future Soldier is a reform of the British Army resulting from the Integrated Review of Security, Defence, Development and Foreign Policy published in March 2021. The aim of the reform is to create a more lethal, agile and expeditionary force, able to fight and win wars and to operate in the grey-zone between peace and war. Future Soldier was published on 25 November 2021 and deals with the organizational changes of the British Army, with changes to personnel and equipment were set out in the Defence in a Competitive Age paper published on 22 March 2021.
The Army Recruiting and Initial Training Command (ARITC) is a two-star command of the British Army and "is responsible for all recruiting, selection, and basic training of soldiers and the recruitment and selection of officers".
United Kingdom 
British Army