For fiscal years, data cover general law enforcement contraband seizures (1973-88), marijuana interdictions (1983-88), cocaine interdictions (1983-88), and Atlantic and Pacific areas illicit drug carrier seizures (1988). For calendar years, data cover general law enforcement contraband seizures and marijuana and cocaine interdictions (1983-88). Data by calendar year also encompass drug seizure statistics by geographical region, marijuana interdictions by vessel nationality (1987-88), monthly summary of marijuana seized with any Coast Guard involvement (1977-88), drug interdictions under the U.S./United Kingdom agreement, and Navy assistance to Coast Guard drug enforcement. Data for calendar years also cover the Coast Guard's use of deadly force in drug enforcement, drug interdictions by the cutter involved in Haitian migrant interdiction operations, illegal migrants interdicted by migrant nationality (1981-88). Also included are maps of marijuana and cocaine smuggling routes.