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U.S. Marines with OKC-3S bayonets fixed to their M16A4 rifles during the Second Battle of Fallujah, November 2004.. The OKC-3S is part of a series of weapon improvements begun in 2001 by Commandant of the Marine Corps James L. Jones to expand and toughen hand-to-hand combat training for Marines, including training in the Marine Corps Martial Arts Program and knife fighting.
The entrenching tool or "E-tool" is standard issue to all Marines to prepare defensive fighting positions. All Marines usually receive a foam sleeping mat, a Modular Sleep System (with light, heavy, or waterproof sleeping bag to allow the user to adapt to ambient conditions and a compression sack to hold them), and a tarpaulin or waterproof ...
This is a list of acronyms, expressions, euphemisms, jargon, military slang, and sayings in common or formerly common use in the United States Marine Corps.Many of the words or phrases have varying levels of acceptance among different units or communities, and some also have varying levels of appropriateness (usually dependent on how senior the user is in rank [clarification needed]).
In 1983, the US Marine Corps adopted the M16A2 rifle, and the US Army adopted it in 1986. The M16A2 fires the improved 5.56×45mm (M855/SS109) cartridge and has a newer adjustable rear sight, case deflector, heavy barrel, improved handguard, pistol grip, and buttstock, as well as a semi-auto and three-round burst fire selector. [21]
The basic infantry weapon of the United States Marine Corps is the M27 Infantry Automatic Rifle. Suppressive fire is provided by the M240B machine gun, at the squad and company levels respectively. In addition, indirect fire is provided by the M320 grenade launcher in fireteams, M224a1 60 mm mortar in companies, and M252 81 mm mortar in battalions.
The United States Marine Corps doctrine dictates that any active fireteam will include at least one 2-man gunnery-team and summarizes its fireteam organization with the mnemonic "ready-team-fire-assist", the following being the arrangement of the fireteam when in a column: Rifleman: acts as a scout for the fireteam; "ready".
In 2007, the USMC ordered its officers (up to the rank of lieutenant colonel) and staff non-commissioned officers to carry the M4 carbine instead of the M9 handgun. [22] This is in keeping with the Marine Corps doctrine, "Every Marine a rifleman." [23] The Marine Corps, however, chose the full-sized M16A4 over the M4 as its standard infantry rifle.
The addition of an embedded marksman at the platoon or squad level has historically been a continuing process in the U.S. military.The United States Marine Corps (USMC) experimented with this during Project Metropolis, before creating the "Squad Advanced Marksman" (SAM) role along with the Squad Advanced Marksman Rifle (SAM-R) specifically for this purpose.