Petty Officer 2nd Class Lyman Dickinson, an aviation survival technician at Coast Guard Sector San Diego, assists a simulated survivor out of an MH-60 Jayhawk helicopter during a joint search and rescue exercise with the Mexican navy in Ensenada, Mexico on June 7, 2017. The exercise simulated a vessel fire off the coast that required a coordinated international search and rescue effort. (U.S. Coast Guard photo by Petty Officer 3rd Class Joel Guzman)