Faint lighting, suitable for pilots wearing night vision goggles, outlines the flight deck on board U.S. Coast Guard Cutter Bertholf (WMSL 750) in a ghostly green as the ship charts its course at twilight in the Yellow Sea June 2, 2019. The ship is engaged in a Western Pacific deployment in support of the U.S. Navy’s 7th Fleet. U.S. Coast Guard photo by Chief Petty Officer John Masson.