structure of a missile 
Automated device that guides the missile during flight.
Ailerons that stabilize the missile during flight.
Engine that provides the thrust to propel the missile.
Ailerons that improve stability during flight.
Device that controls the rudders.
infrared homing head
Instrument that homes in on the heat emitted by the target and automatically guides the missile toward it.
Fuse that causes the warhead to explode when required.
Device whose axis of rotation is constant so that it can guide the weapon.
Explosive contained in the missile that is usually made up of gunpowder.
Component that guides the missile without human intervention.
Device that converts chemical energy into electrical energy.