This history is intended as a quick orientation source and as a ready-reference for review of the Thor and its systems. The report briefly states the development of Thor, summarizes and chronicles Thor missile and booster launchings, provides illustrations and descriptions of the vehicle systems, relates their genealogy, explains some of the performance capabilities of the Thor and Thor-based vehicles used, and focuses attention to the exploration of space by Douglas Aircraft Company, Inc.
Pen and ink drawing on paper depicting two chimneys. On the chimney on the left of the drawing a cat plays a flute sitting on one of two chimney pots. A small black mouse sits on the second chimnney pot. On the chimney on the right of the drawing a cat peers down the second chimney pot, dropping its flute; smoke comes out of the first chimney pot. Mounted on grey card.