The Adventures of Tintin Destination Moon

After returning to Marlinspike Hall, Tintin and Captain Haddock discover that Professor Calculus has been secretly working on a space program in the fictional country of Syldavia. His goal: to build a rocket capable of reaching the Moon. The story follows the meticulous preparations for the launch, including the construction of a nuclear-powered rocket, training of the crew, and the unveiling of the Sprodj Atomic Research Center