Learn the role of Marine Corps infantry. Know the jobs available and requirements to serve in the infantry as a Marine Officer or Enlisted Marine.

SOI marks a transition in the professional training of entry-level students from basically trained Marines to combat-ready Marines.

The School of Infantry-East, through Marine Combat Instructors, trains, develops and provides basic riflemen, entry-level infantry, and advanced infantry skills in order to meet force...

Dec 8, 2025 · Originally, the Marines were designed as naval infantry—troops who could fight on land or sea, secure ship decks, and conduct coastal raids.

Sep 8, 2023 · A slimmer, more senior and technology-driven Marine infantry battalion structure now unfolding across the service will shape the deployments, careers and lives of future riflemen, the most...

Dec 5, 2025 · Marine Air-Ground Task Forces are balanced air-ground, combined arms formations under a single commander. They operate as an integrated force across the air, land, maritime, and …

A Marine Infantryman, often described as the backbone of the Marine Corps, is primarily responsible for closing with and destroying the enemy. Typically, most time is spent in rugged field conditions, and …

The United States Marine Corps (USMC), also referred to as the United States Marines or simply the Marines, is the maritime land force service branch of the United States Armed Forces. It is …

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