The detention of alleged enemy combatants at the U.S. Naval Station in Guantanamo Bay, Cuba, together with proposals to transfer some such individuals to the United States for prosecution or continued detention, has been a subject of considerable interest for Congress. Several authorization and appropriations measures enacted during the 111th Congress, and various pending bills, address the disposition and treatment of Guantanamo detainees. This report analyzes relevant provisions in enacted legislation and selected pending bills.