In the Halo Universe, the main foe in this Xbox game is the Covenant Empire, a Collection of alien species hellbent on humankinds destruction. They are equiped with supperheated plasma, which is like laser teachnology uised in physics. one species is the Sangheili. they are stronger as in combat, which their friction force is ten times faster than that of humans. they are equiped with advance ships that repell the force of the earth. these ships are equiped with slipspace jump, which increase the ascelleration of any object a thousand fold, trasporting then to diffrent planets. their dropships use the property of vectors to trasport troops to the battlefield by directing the ships into enemy lines. and that is brief need to know physics about the great enemies of the Halo Universe.