PACIFIC OCEAN—Crewmembers from U.S. Coast Guard Cutter Bertholf conduct “hot fueling” — refuellng an aircraft while its engines are running -- of the ship’s embarked MH-65 Dolphin helicopter Feb. 6, 2019. Bertholf is on a months-long deployment to the Western Pacific Ocean in support of the U.S. Navy's 7th Fleet. U.S. Coast Guard photo by Chief Petty Officer John Masson.