I photographed M48A1 Patton Tank examples in Dubois and Everett. Unlike the earlier M47 Patton, the M48 Patton has a boat-like curved front line, while the later M60 Patton returned to the straight front edge, intended to make it easier to install defensive equipment. The M48 AVLB (Armored Vehicle Landing Bridge) is based on M48 Patton chassis.