A purpose of existing military forces is to win in the war, and a history has shown that life and death for the nation depend on the results of them. Therefore, military forces have soldiers drill constantly prepare against wars, and especially they have made many efforts to enhance capability of combat command, mainly with commanders by battalions. As Korean military commanders lacked the ability at the Korean War, the US military advisory groups executed so-called “Counterpart System” which could assist to estimate of the situation and decision-making, deploying Korean military battalions. The purpose of this study is to find the way to have the victory and minimize the damages from brush-fire wars to strategic wars by putting outstanding veterans as the advisers in accordance with evaluation, analysis, and superiority of the capability. In this paper, training materials evaluating capability of Korean military commanders were analyzed, and it could help to find out insufficiency of capability of combat command. In addition, case studies of the past and surveys of veterans were conducted to prove necessity of military advisory system. To acquire excellent work forces among the military veterans, their combat experiences, main skills, careers and grades of military instructions were reflected when selecting. Furthermore, circumstantial judgment ability and unit operational ability were focused and studied to help give commanding advises in superior condition to the commanders who are on service, both in name and reality. Incidentally, the paper can give opportunities to prevent veterans’ expertise from dying out in the society and to improve their employment rate after discharge from military service.