![File:M103 Heavy Tank armed with 120-mm Main Gun, 3rd Cavalry Museum, Fort Hood, Texas (3).jpg - Wikimedia Commons File:M103 Heavy Tank armed with 120-mm Main Gun, 3rd Cavalry Museum, Fort Hood, Texas (3).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/d/d6/M103_Heavy_Tank_armed_with_120-mm_Main_Gun%2C_3rd_Cavalry_Museum%2C_Fort_Hood%2C_Texas_%283%29.jpg)
File:M103 Heavy Tank armed with 120-mm Main Gun, 3rd Cavalry Museum, Fort Hood, Texas (3).jpg - Wikimedia Commons
![U.S. Army Armor & Cavalry Collection on X: "It's #TankTuesday, the best day of the week! Today we highlight the Collection's M103A2 Heavy Tank. Introduced in 1957, M103 was the last American U.S. Army Armor & Cavalry Collection on X: "It's #TankTuesday, the best day of the week! Today we highlight the Collection's M103A2 Heavy Tank. Introduced in 1957, M103 was the last American](https://pbs.twimg.com/media/E_zxKNrUcAMFx1T.jpg:large)
U.S. Army Armor & Cavalry Collection on X: "It's #TankTuesday, the best day of the week! Today we highlight the Collection's M103A2 Heavy Tank. Introduced in 1957, M103 was the last American
![M103 Heavy Tank, A Visual History of America's Only Operational Heavy Tank 1950-1970 | IPMS/USA Reviews M103 Heavy Tank, A Visual History of America's Only Operational Heavy Tank 1950-1970 | IPMS/USA Reviews](https://reviews.ipmsusa.org/sites/default/files/reviews/m103-heavy-tank-visual-history-americas-only-operational-heavy-tank-1950-1970/book-cover.jpg)