Submarine Squadron 3
| Submarine Squadron Three | |
|---|---|
| Active | 25 November 1930–February 2, 2012 |
| Country |
 United States of America
|
| Branch |  United States Navy |
| Part of | United States Pacific Fleet |
| Garrison/HQ | Joint Base Pearl Harbor-Hickam |
Submarine Squadron 3 (also known as SUBRON 3) was a squadron of submarines of the United States Navy based at Joint Base Pearl Harbor-Hickam, Pearl Harbor, HI which was disestablished in 2012.
Submarine Squadron 3 was first established on November 25, 1930 at Coco Solo in the Panama Canal Zone. One of its first submarines was the R-1 built in 1917. Her ten boats conducted Panama Sea Frontier patrols for the Atlantic Fleet. As tensions grew through the Thirties, Squadron Three's mission evolved into the defense of coastal regions on both ends of the canal. Most of Squadron Three's submarines shifted to the Pacific end of the canal when war broke out.
As the Second World War progressed, most of the squadron's submarines were transferred to more active regions, leaving only four subs in Squadron Three by August 1943. By May 1945, there were no submarines left in the squadron; only the rescue vessel USS Mallard (AM 44) and three destroyers remained.
Squadron Three was deactivated July 1, 1945 and reactivated in Guam on October 1, 1945. The United States built a fleet of diesel-electric submarines during the war and commissioned a new submarine tender, USS Sperry (AS 12), near its end. To support these ships, the Navy reorganized its submarine squadrons, re-establishing COMSUBRON 3 on Guam on Oct. 1, 1945.
In February, 1946 the squadron moved to San Diego. Submarine Squadron Three continued to serve until March 31, 1995 when it was again deactivated. On June 16, 1997 Submarine Squadron Three rejoined the Pacific Submarine Force in Pearl Harbor, Hawaii with six submarines assigned: USS Columbia (SSN 771), USS Louisville (SSN 724), USS Key West (SSN 722), USS Olympia (SSN 717), USS Chicago (SSN 721), and USS Honolulu (SSN 718).
In 2003, five submarines from COMSUBRON 3 were deployed in support of Operation Iraqi Freedom. Three of these submarines, USS Columbia (SSN 771), USS Louisville (SSN 724) and USS Key West (SSN 722), conducted Tomahawk strike operations against targets in Iraq.
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