U.S. Marine Corps Dictionary » I

I & I

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Inspector and Instructor. The active duty cadre assigned to a Marine Corps reserve unit.

I Corps

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(Vietnam) Pronounced eye-corps. The northernmost of four corps areas in South Vietnam. I Corps was the province of the U. S. Marines while II, III and IV Corps were US Army areas.

Iceplant

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(see Grass.) (origin) Vietnam

IG

admin — Wed, 30 Nov -0001 00:00:00 +0000

Inspector General.

Ike Jacket

admin — Wed, 30 Nov -0001 00:00:00 +0000

The term was not authorized in the Marine Corps and when used would subject a Marine to a reprimand. (background) Marines remembered General Eisenhower’s comment that he would have no Marines in Europe (having forgotten that his reserve force in Northern Ireland was Marine and paying no attention to the OSS personnel in the theater). A uniform jacket of similar design was authorized just after World War II and continued into the early 1960s. It was a forest green fabric with a faux belt and no skirt below the belt. (see Battle Jacket.)

Illumination

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Night artillery fire used to illuminate an area using a phosphorous filament suspended by a parachute.

Improvise, Adapt and Overcome

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An unofficial mantra of the Marine Corps, based on the fact that the Corps generally received Army hand-me-downs and the troops were poorly equipped. Despite this, the Marine Corps has been successful mostly because of the creativity of its people and their success-based attitude.

IMR

admin — Wed, 30 Nov -0001 00:00:00 +0000

Individual Memorandum of Receipt. The form used to issue 782 Gear.

In Country

admin — Wed, 30 Nov -0001 00:00:00 +0000

(Vietnam) Serving (or having served) in Vietnam. (Iraq) Serving (or having served) in Iraq. Often used to refer to any current combat zone.

In the Fleet

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(see Fleet.)