Taiwan in June 2022. – United States Army and United States Marine Corps received over 8,100 M1, M1A1 and M1A2 tanks combined. U.S. Army – 2,509 total, 750 M1A1SA, 1,605 M1A2 SEPv2, 154 M1A2 SEPv3 (some 3,700 more M1A1 and M1A2 in storage). Potential and future operators – Following Brazil's official designation as major non-NATO ally of the United States in July 2019, the U.S. government offered the Brazilian Armed Forces several models of military equipment; the country is interested in potentially acquiring between 110 and 130 M1A1 Abrams tanks, which would be upgraded on U.S. soil and operated as Brazil's main battle tanks for the next 20 years. – Hellenic Army: 400 ex-U.S. Army M1A1 tanks were offered to Greece in 2011. - Ukrainian Army: After German officials indicated "they would only send their Leopard 2 tanks to Ukraine if the US sent" M1 tanks, on 25 January 2023, President Biden announced that the US would send 31 M1A2 tanks to Ukraine. Former operators – United States Marine Corps: In 2020 the Marine Corps announced the disbandment of its tank units, citing a pivot towards amphibious warfare by implementing Force Design 2030. All 450 of the Marine Corps M1 Abrams MBTs were transferred to the U.S. Army with withdrawal from Marine Corps service being completed in May 2021. See also List of the United States military vehicles by model number List of main battle tanks by country List of main battle tanks by generation Unmanned ground vehicle References Footnotes Notes Citations Bibliography Practical Applications of Vehicle Control within the Distributed Processing Architecture, Proceedings of the 1992 American Control Conference, Ruggirello, Joseph A., Bielawski, Dennis A., and Diaz, R. Gary, General Dynamics, IEEE, Published Jun. 1992 External links Abrams U.S. Army Acquisition Support Center page - U.S. Army. M1A2 Main Battle Tank - General Dynamics Land Systems. M1A2 Abrams Main Battle Tank - Military.com M1A1/2 Abrams Main Battle Tank - Global Defense Technology. M1 Abrams page - a detailed overview of how the tank works on howstuffworks.com M1 Tank Urban Survivability Kit (TUSK), M1A1 AIM Upgrade, and M1A2 SEP Upgrade - Defense-Update.com M1 Abrams modernization 2011, M1 Abrams modernization 2012 - Federation of American Scientists. AbramsX Technology Demonstrator on the Move, concept video for proposed next-generation Abrams tank with autonomous operation and a silent mode. October 2022. Cold War tanks of the United States Gas turbine vehicles General Dynamics land