Missiles are powered by an engine, generally either a type of rocket engine or jet engine. ... Jet engines are generally used in cruise missiles, most commonly of the turbojet type, due to its relative simplicity and low frontal area.

How do missile engines work?

In a rocket engine , fuel and a source of oxygen, called an oxidizer, are mixed and exploded in a combustion chamber. The combustion produces hot exhaust which is passed through a nozzle to accelerate the flow and produce thrust. ... There are two main categories of rocket engines; liquid rockets and solid rockets.

How does a missile fly?

Almost all missiles are steadied in flight by stabilizing fins. In addition, guided missiles contain control systems to adjust their flight paths. The simplest control systems are aerodynamic, making use of movable vanes or flaps that alter the flow of air past the stabilizing fins.