The war in Marwienas-islands provides abundant information for study on modern war. This paper discusses some important enlightenment from this war in view of military techniques systems engineering. The discussion concentrates on two subjects. First，in evaluating and developing various weapon systems，the right idea can only come from the study in the sense of military techniques systems engineering，second，there are some important problems arisen in this war in the field of military techniques systems engineering. The latter is the major part in this paper.