The US Coast Guard stopped a narco-sub, one of 11 smuggling vessels caught during a 2-month patrol in the eastern Pacific.US Coast Guard photoThe US Coast Guard seized over 24 tons of narcotics in the Eastern Pacific in January.About 22 tons of cocaine and 2 tons of marijuana, worth about $510 million, were offloaded.Coast Guard law enforcement officers detained 34 suspected drug traffickers over 11 interdictions.More than 24 tons of illegal nar…