A sniper is a military/paramilitary marksman who engages targets from positions of concealment or at distances exceeding the target's detection capabilities. Snipers generally have specialized training and are equipped with telescopic sights. Modern snipers use high-precision rifles and high-magnification optics. They often also serve as scouts/observers feeding tactical information back to their units or command headquarters.
The United States Navy Sea, Air, and Land (SEAL) Teams, commonly known as Navy SEALs, are the U.S. Navy's primary special operations force and a component of the Naval Special Warfare Command. Among the SEALs' main functions are conducting small-unit special operation missions in maritime, jungle, urban, arctic, mountainous, and desert environments. SEALs are typically ordered to capture or kill high-level targets, or to gather intelligence behind enemy lines. SEAL team personnel are hand-selected, highly trained, and possess a high degree of proficiency in direct action (DA), and special reconnaissance (SR), among other tasks like sabotage, demolition, intelligence gathering, and hydro-graphic reconnaissance, training, and advising friendly militaries or other forces.
United States special operations forces (SOF) are the active and reserve component forces of the United States Army, Marine Corps, Navy and Air Force within the US military, as designated by the Secretary of Defense and specifically organized, trained, and equipped to conduct and support special operations. All active and reserve special operations forces are assigned to the United States Special Operations Command (USSOCOM).
The SR-25 is a designated marksman rifle and semi-automatic sniper rifle designed by Eugene Stoner and manufactured by Knight's Armament Company.
The Marine Commandos, abbreviated to MARCOS and officially called the Marine Commando Force (MCF), are the special forces of the Indian Navy. The MARCOS were originally named Indian Marine Special Force, which was later changed to Marine Commando Force to impart "an element of individuality" to it, according to the Indian Navy. The abbreviation 'MARCOS' was coined afterwards.
Para (Special Forces), also known as Para Commandos or Para (SF) Commandos, is a group of special forces battalions of the Parachute Regiment in the Indian Army. These units specialize in various roles including counter-terrorism, hostage rescue, unconventional warfare, special reconnaissance, counter-insurgency and direct action.
The Special Actions Detachment or DAE is the tier one special force maritime unit of the Portuguese Navy. It is part of the Portuguese Marine Corps. Raised in 1985, the DAE is one of the smallest special forces units within the Portuguese Armed Forces. It is responsible for conducting air-sea rescue, amphibious reconnaissance, amphibious warfare, black operation, bomb disposal, CBRN defense, coastal raiding, counterterrorism, direct action, executive protection, hostage rescue, irregular warfare, ISTAR, long-range penetration, JTAC, manhunt high-value target, maritime sabotage, mountain rescue, naval boarding, operation behind high risk enemy lines, special operations, special reconnaissance, tracking targets, underwater demolition, unconventional warfare, other missions in support of Portuguese and NATO armed forces. DAE's mission and training are similar to American special forces and it often trains with them.
The Regiment Special Force (RSF) is a Sri Lanka Air Forces elite special force unit, which is part of the SLAF Regiment. It was raised in 2006.The RSF Wing is an independent formation of the SLAF and commanded by a Commanding Officer who is responsible to the Commander of the Air Force through Director Ground Operations for the efficient and effective function.
The Pakistan Navy Special Service Group is the special operations force tasked with the conducting the small-unit based military operations in all environmental formats of the sea, air, and land by adopting to the tactics of the unconventional warfare.
The Pakistan Air Force Special Services Wing is a special operations force who specialised in all aspects of air-to-ground communication, including air traffic control, fire support, command, control and communications in covert counterterrorism or austere environments. Their functionality is similar to American Air Combat Control Team of the United States Air Force. They are often assigned individually or as a team to Army Special Service Group, Navy Special Service Group and special tactics units of the Pakistan Marines, to provide expert airfield seizure, airstrike control and communications capabilities.
The U.S. Army Sniper Course trains selected military members assigned to sniper positions in the skills necessary to deliver long-range precision fire and the collection of battlefield information. Students will receive training in fieldcraft skills, advanced camouflage techniques, concealed movement, target detection, range estimation, terrain utilization, intelligence preparation of the battlefield (IPB), relevant reporting procedures, sniper tactics, advanced marksmanship, and staff subjects.
The Army Mountain Warfare School (AMWS) is a United States Army school located at the Camp Ethan Allen Training Site, Jericho, Vermont to train soldiers in mountain warfare, the specialized skills required for operating in mountainous terrain. It is home to the 86th Infantry Brigade Combat Team. The school is located in Vermont's Green Mountains.
The Special Warfare Diving and Salvage (SWADS) is an elite special operational unit of the Bangladesh Navy. Members are professional soldiers and are recruited through the Bangladesh Navy. The SWADS is organized, trained and equipped along the lines of SEAL/UDT teams of the United States Navy SEALs and the Republic of Korea Navy UDT/SEAL.
The Pakistan Army Special Service Group is the special operations forces of the Pakistan Army. They are also known by their nickname of "Maroon Berets" due to their headgear.
Ground Intelligence Officer is a primary military occupation code of a U.S. Marine Corps intelligence officer. Ground intelligence officers serve as staff officers and commanders in the operating forces and are responsible for analyzing intelligence and planning, deployment and tactical employment of ground surveillance and reconnaissance units. The Ground Intelligence Officer can be a Recon Marine after their training is done.
The Para Commando Brigade is a special operations force of the Bangladesh Army. This special forces brigade is headquartered at Jalalabad Cantonment, Sylhet. It is composed of two para commando battalions.
School of Infantry and Tactics is a Bangladesh army infantry and special forces training institute. The institute was founded in 1973 and is based in Jalalabad Cantonment, Sylhet.
The Sri Lankan Armed Forces have established numerous academies and staff colleges across Sri Lanka for the purpose of training professional soldiers in military sciences, warfare command and strategy, and associated technologies.
Bangladesh 
Bangladesh Army