The Super Heavy Tank T28 (at one point and sometimes called 105 mm Gun Motor Carriage T95) was a prototype heavily armored tank destroyer designed for the United States Army during World War II. It was originally designed to be used to break through German defenses at the Siegfried Line, and was later considered as a possible participant in an invasion of the Japanese mainland. Sometimes referred to as a super-heavy tank, the T28 was re-designated as the 105 mm Gun Motor Carriage T95 in 1945 and then renamed a super heavy tank in 1946 as the Super Heavy Tank T28.