Over 20,000 pounds seized. The largest at-sea interdiction in more than 18 years. Through Operation Pacific Viper, Coast Guard crews have been accelerating operations across the Eastern Pacific, combating narco-terrorists, and countering the flow of deadly drugs to the United States. Leading these operations, Coast Guard Cutter Munro delivered a historic result— seizing more than 20,000 pounds of cocaine in a single interdiction, marking the Coast Guard’s largest at-sea drug seizure in more than