This report is an extensive summary of the research on marriage and military service. Topics covered in these studies include marriage and military retention and career orientation; dual-military marriages; women in the military; deployment; prisoners of war; the effects of combat on marriage; potential relationship problems in military marriages; spousal abuse and aggression; divorce rates; and premarital counseling. The studies reviewed here pertain to military service in World War II, the Korean War, the Vietnam War, and more recent military conflicts, as well as to general military service. Not surprisingly, a great deal of research about military service and marriage relates to deployment, a timely topic given current military conflicts. (Author abstract)