Keyword Rocket Fuel

When Chester accidentally memorises and destroys the only copy of a secret Russian formula for a new and improved rocket fuel, he and Harry are thrust into international intrigue, trying to stay alive while keeping the formula out of enemy hands.

Following the crash and explosion of a test rocket, which killed several people, six men volunteer to take explosive rocket-fuel chemical components, in three trucks, over back roads in rugged terrain to a remote missile base. Uncredited "remake" of The Wages of Fear.