This clip focuses on the Aerojet plants, and ends with some great footage of propellants firing on the ends of rockets.Men work one solid and liquid engines for rockets, then there is a shot of large crates and a forklift driving off. Aerial shots of another plant. The production line of solid propellant rockets is shown, with shots of employees in jumpsuits working on various things connected to the development of the rockets. Two men work in MS at a desk. CU of a blueprint; a hand points to something on the sheet. More shots of the Aerojet plant near Sacramento. CU of a manual, then another. Shots of various military bases. Men examine a diagram of of a launch pad for large rockets. Still of a solid booster, then a thrust unit firing off. Liquid propellant booster rocket firing; very cool footage.