tank-aa-20-mm-quad-skink-was-canadian-self-propelled-anti-aircraft-gun-developed-in-1943-44-fully-enclosed-mounting-on-the-chassis-of-the-grizzly-canadian-built-m4a1-sherman
“Tank AA, 20 mm Quad,” better known as the Skink was Canadian self-propelled anti-aircraft gun, developed in 1943-44 fully enclosed mounting on the chassis of the Grizzly Canadian-built M4A1 Sherman