Abstract : Contents: basic relationships in the theory of reaction propulsion; types of rocket vehicles and fundamentals of their construction; rocket engines, their construction and operational features; rocket engine propellants; processes in a rocket engine combustion chamber; flow of combustion products through the nozzle of a rocket engine; flight trajectory of ballistic rockets; basic principles of stabilization, control and guiding of rockets; forces and moments acting on a rocket in flight; ground equipment, rocket and rocket-engine tests.