M51 Super Sherman in action at Santa Fe event 2010 M4 Sherman was a design from early World War II. The Israeli up-gunned 75 mm M-50(the gun was known in Israel as the M-50) and 105 mm armed M-51 Super Shermans are remarkable examples of how a long obsolete design can be upgraded in front-line use. They saw combat in the 1967 Six-Day War, fighting Soviet World War II-era armor like the T34/85, and also in the 1973 Yom Kippur War, proving effective even against newer, heavier Soviet tanks like th