Disrupting the market relies on eradication, interdiction and domestic law enforcement efforts. Coastal defense ships are those whose primary function is coastal patrol and interdiction. Blackwater is also involved in mentoring Afghan officials in drug interdiction and counter narcotics. The ships are primarily used for drug interdiction and patrol. He led the development of Treasury's drug interdiction and financial enforcement programs. The crews were to fly unmarked B-26 bombers on interdiction missions over Laos. Nor was naval interdiction any more practicable. These retreating Ottoman forces experienced logistical shortages caused by the interdiction of lines of communication. Attack missions are principally divided into two categories&colon; air interdiction and close air support. Many of these missions involved battle-field isolation, interdiction, and close air support. The 302d TFS trained for counterair, interdiction, and close air support missions. The MiG-29KUB may also be enhanced in areas such as electronic warfare and long-range interdiction. This amounted to a 94% success rate for convoy safety running the British interdiction. Luftwaffe interdiction against Soviet communications was also considerable. Personnel interdiction was abandoned by early 1969.