Coast Guard Lt. Ben Shen, an instructor from the Liquefied Gas Carrier National Center of Expertise in Port Arthur, Texas, teaches at a low-flashpoint fuel workshop in Jacksonville, Florida, Sept. 15, 2021. At the first-of-their-kind workshops, instructors trained examiners from across the U.S. and enhanced their technical competence in low-flashpoint fuel systems. (U.S. Coast Guard photo, courtesy Lt. Cmdr. William Hickey)