<qa>  What is the specific purpose of the 5-year study?The specific aims of the 5-year study are to: 1 describe the nature and extent of substance use and sexual risk behaviors in a sample of 500 sexually active, substance using, not-in-treatment men who have sex with men MSM in urban South Florida MiamiFt. Lauderdale; 2 identify the independent covariates of baseline substance abuse and sexual risks; 3 evaluate, through random assignment of participants, the relative effectiveness of two intervention conditions in reducing sexual risks and substance use, as measured at 3-, 6-, and 12-month follow-up assessments: a an innovative five-session risk reduction intervention derived from psychological empowerment theory titled Project GOAL; and, b an enhanced community standard-of-care HIV counseling Comparison Condition. 