Any conduct whereby a service member or DoD employee knowingly and wrongfully and without proper authority, but with a nexus to military service, treats another service member or DoD employee adversely or differently based on race, color, national origin, religion, sex, or sexual orientation. Unlawful discrimination includes actions or efforts that detract from equal opportunity, with respect to the terms, conditions, or privileges of military service including, but not limited to, acquiring, assigning, promoting, disciplining, scheduling, training, compensating, discharging, or separating. This definition excludes justifiable conduct that discriminates on the basis of characteristics (including, but not limited to age, height, and weight) that serve a proper military or other governmental purpose as set for in the other military policies.