SÃO TOMÉ & PRÍNCIPE — Chief Petty Officer Raymond Concepcion, a maritime law enforcement specialist aboard the U.S. Coast Guard Cutter Thetis (WMEC-910), explains a law enforcement scenario Wednesday, April 3, 2019 during a training session between the two services in São Tomé & Príncipe. U.S. Coast Guard photo by Petty Officer 2nd Class Jonathan Lally