In order to further explore the problem of the long-range rocket gun weapon system combat damage, first overall equipment of weapon system is analyzed and the tactical configuration model, geometric model to construct the model of single loaded rocket. Secondly, the long-range rocket gun weapon system into the analysis of battle damage source in the tactical environment, and analyzes the technical performance of common aviation bomb, and is expected to battle damage effect of the U.S. B52 bombers carrying the bomb. The final analysis that based on the conditions of combat maneuver combat damage on the long-range rocket gun weapon system is scientific.