The Chevrolet Task Force was Chevrolet's successor to the Advance Design trucks. The Task Force Series ran from late 1955 (second series) through 1959 when it was replaced by the 1st generation of the C/K series.  At GMC locations, it was called the Blue Chip Series. The Task force series light duty trucks were referred to as Apache, medium duty Viking, and heavy duty Spartan. Fourwheel drive was offered by the Northwestern Auto Parts Company (NAPCO).   The 1955 second series offered standard options and add-ons such as 12-volt electrical systems, the first V8 (265 cubic inches), and Fleetside beds in 1958. The primary variants of the Task Force were the Cameo Carrier, the 3100 trucks, and the 3200 trucks.