A self-propelled semi-submersible is towed alongside the U.S. Coast Guard Cuttter Jarvis in the Eastern Pacific off the coast of Central America, Oct. 21. A U.S. Customs and Border Protection Maritime Patrol Aircraft detected the vessel, then the 378-foot U.S. Coast Guard Cutter Jarvis, on patrol in the region, intercepted the vessel. Jarvis' crew found that vessel was loaded with narcotics, seized the SPSS, and detained the four crew members.