Amphibious Ready Group 3

Amphibious Ready Group 3
Unit name	Amphibious Ready Group 3
Country	United States of America
Branch	United States Navy
Type	Amphibious warfare
Role	Expeditionary assault, crisis response
Garrison	Naval Station Pearl Harbor
Notable commanders	Admiral Jonathan Greenert, Vice Admiral Kevin McCoy

Amphibious Ready Group 3 Amphibious Ready Group 3 was a United States Navy formation centered on amphibious assault capable warships that projected United States Marine Corps expeditionary forces for maritime operations in the Pacific Ocean and Indian Ocean. It operated in coordination with regional headquarters such as U.S. Indo-Pacific Command, allied navies including the Royal Australian Navy and the Japan Maritime Self-Defense Force, and embarked Marine Expeditionary Unit (MEU) contingents for crisis response, training, and combat operations.

Overview

ARG 3 served as a forward-deployed naval amphibious element capable of ship-to-shore maneuver, humanitarian assistance, and forcible entry in coordination with the United States Seventh Fleet, the United States Fifth Fleet, and joint partners such as the United States Air Force and United States Army. Its missions intersected with operations described in directives from the National Security Council, exercises like RIMPAC, and contingency plans influenced by historical doctrines from the Amphibious Forces, Atlantic Fleet and lessons from the Battle of Iwo Jima.

Composition and Assigned Units

The ARG typically centered on an amphibious assault ship (LHA/LHD), an amphibious transport dock (LPD), and a dock landing ship (LSD), with an embarked Marine Expeditionary Unit (MEU) including Marine Medium Tiltrotor Squadron 262 (VMM-262), Combat Logistics Battalion 31, and Weapons Company, Battalion Landing Team 1/2. Ship assignments rotated among classes such as the Wasp-class amphibious assault ship, San Antonio-class amphibious transport dock, and Whidbey Island-class dock landing ship, drawing crews from units like Hawaii-based Naval Station Pearl Harbor and personnel trained at Naval Amphibious Base Coronado.

Operational History

ARG 3 traced doctrinal lineage to amphibious groups from World War II and organizational precedents like Amphibious Force, Pacific Fleet. In the late 20th and early 21st centuries ARG 3 participated in multinational operations responding to crises tied to regional tensions involving states such as North Korea, China, and Iran. Its operations reflected doctrinal evolution informed by after-action reports from Operation Desert Storm, Operation Enduring Freedom, and Operation Iraqi Freedom.

Deployments and Notable Operations

Deployments for ARG 3 included rotational patrols in the Western Pacific, multinational exercises such as Talisman Sabre and Khaan Quest, and contingency missions supporting evacuation operations during crises like those in Lebanon and Yemen. Notable operations involved interoperability drills with the Republic of Korea Navy, humanitarian assistance alongside United Nations Office for the Coordination of Humanitarian Affairs responses after typhoons in the Philippines, and high-readiness surge deployments connected to carrier strike groups such as Carrier Strike Group 5.

Command and Organization

Command relationships for ARG 3 involved tactical control under numbered fleets including U.S. Seventh Fleet or U.S. Fifth Fleet, administrative control via Commander, Naval Surface Force Pacific, and integration with Marine commands such as III Marine Expeditionary Force or I Marine Expeditionary Force. Commanders drew on staff expertise from institutions like the Naval War College and coordinated with coalition staff structures exemplified by Combined Maritime Forces.

Training and Readiness

ARG 3 maintained readiness through amphibious exercises including Bold Alligator, Composite Training Unit Exercise, and bilateral drills with the Philippine Navy, Royal New Zealand Navy, and Indonesian Navy. Training pipelines relied on facilities at Marine Corps Base Camp Pendleton, Camp Lejeune, and Naval Air Station North Island, with logistic and maintenance support from commands such as Naval Sea Systems Command and Military Sealift Command.

Insignia and Symbols

Unit insignia for ARG 3 incorporated maritime heraldry elements aligned with United States Navy tradition, often featuring anchors, tridents, and heraldic colors similar to insignia used by amphibious squadrons like Amphibious Squadron 1. Symbolism connected to historic campaigns such as Guadalcanal Campaign and Okinawa informed badge motifs, and shipboard pennants followed standards established by the Institute of Heraldry and regulations from the Chief of Naval Operations.

Category:United States Navy amphibious units