Missiles are generally used to attack a long distant target, located n surface or air. Few special missiles, called torpedoes are used by naval forces to destroy the underwater submarines. On the basis of the guidance system missiles are classified into two categories, viz, Ballistic missiles and Guided missiles. Ballistic missiles are high altitudes projectiles that are launched with preset target location. The path or target cannot be altered after its launch. Guided Missiles, on other hand, have certain guidance system using which they can be navigated even during their flight. Knowing the Apache class is very crucial. Apache is a prominent missile of Cruise Missile class. The defense system of any nation is incomplete without significant reserves of diverse missiles. Information of Apache missile its targets, propulsion and guidance methods. Apache is a prominent model among world's powerful Air to Surface Missiles. It uses GPS-INS technology for guidance. It is launched using a Mirage 2000, Rafale.