Beginning in 2020 the United States Marine Corps deactivated all its tank battalions in order to conform to its 2030 modernization plan.
The battalion formed on December 20, 1941, at Camp Elliott, San Diego, California, growing to the standard organization with a headquarters, service and four letter companies (Able, Baker, Charlie, Dog).
2nd Tank Battalion units became involved in two interventions in Lebanon, the Cuban Missile Crisis deployment, the Dominican Republic and the Guantanamo Base defense effort.
Led by Lt Col Michael J. Oehl they deployed under the operational control of the 1st Marine Division and were attached to Regimental Combat Team 5 (RCT-5) upon arrival in theater.
2nd Tank Battalion fought numerous engagements in support of Operation Iraqi Freedom, to include battles in An Numaniyah, Al Aziziyah, and eastern Baghdad.
In November 2004 while deployed for Operation Iraqi Freedom 2-2, Company C attached to Regimental Combat Team 1 (RCT-1), 1st Marine Division and Company A attached to Regimental Combat Team 7 (RCT-7), 1st Marine Division participated by assisting in portions of Operation Phantom Fury, the recapture of Fallujah.