Formed as Marine Scout Bombing Squadron 143 (VMSB-143) on March 1, 1943 at Naval Air Station San Diego, California. Equipped with Vought SB2U Vindicators and after training, departed the United States on October 15, 1942 on the SS Lurline. Upon arriving at Henderson Field, Guadalcanal on November 12, 1942 the squadron was transitioned to the Douglas SBD Dauntless. The squadron was also augmented with nine Grumman TBF Avengers shortly after arrival at Henderson Field.
The squadron took part in the attack on Houn Maru on May 19, 1943, damaging her and forcing her aground at 6 48N, 155 49E, off Tonolei, Bougainville a total loss. Redesignated VMTB-143 on June 1, 1943 the squadron took part in the Bougainville Campaign and was based at Munda Airfield.
Returning to the United States and based at Marine Corps Air Station Santa Barbara during June 1944, the squadron was redesignationed VMTB(CVS)-143 and was assigned to USS Gilbert Islands (CVE-107). The squadron took part in the Battle of Balikpapan, Borneo supporting the Australian campaign. The squadron was deactivated on March 10, 1946.
- U.S. MARINE CORPS WORLD WAR II ORDER OF BATTLE: Ground and Air Units in the Pacific War, 1939–1945 by Gordon L. Rottman
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