RSAT programs in prisons and jails educate inmates about substance abuse and help them understand and manage behaviors that trigger or underlie substance abuse. Relapse prevention is taught in many, if not all, RSAT programs. The RSAT was created to help States and local governments develop, implement, and improve residential substance abuse treatment programs in their correctional and detention facilities, as well as create and maintain community-based aftercare services for probationers and parolees. All 50 States, the District of Columbia, and U.S. Territories are eligible for RSAT grants. To be eligible for funding, a program must last between 6 and 12 months, provide residential treatment facilities set apart from the general correctional population, focus on inmates' substance abuse problems, develop inmate skills that address problems related to substance abuse, conduct reliable drug and alcohol testing, and give preference to subgrant applicants who provide aftercare services. As of July 2004, 300 programs were operating. This booklet also reports on changes to the RSAT Program beginning with the fiscal year 2003 awards, as well as the features and findings of RSAT Program evaluations. The booklet concludes with a State-by-State description of RSAT activities and funding amounts. 7 notes and appended listing of total award amounts for each grant recipient for fiscal years 1996-2003