In 1993, after many months of study, debate, and political controversy, Congress passed and President Clinton signed legislation establishing a revised "[p]olicy concerning homosexuality in the armed forces." The legislation reflected a compromise regarding the U.S. military's policy toward members of the Armed Forces who engage in homosexual conduct. This compromise, colloquially referred to as "Don't Ask, Don't Tell (DADT)," holds that "[t]he presence in the armed forces of persons who demonstrate a propensity or intent to engage in homosexual acts would create an unacceptable risk to the high standards of morale, good order and discipline, and unit cohesion which are the essence of military capability." Service members are not to be asked about, nor allowed to discuss, their sexual orientation. This compromise notwithstanding, the issue has remained both politically and legally contentious. This report provides a legal analysis of the various constitutional challenges that have been brought against DADT; for a policy analysis, see CRS Report R40782, "Don't Ask, Don't Tell": Military Policy and the Law on Same-Sex Behavior, by David F. Burrelli. Constitutional challenges to military policies regarding homosexual conduct followed in the wake of the 1993 laws and regulations. Based on the U.S. Supreme Court ruling in ...