A Coast Guardsman with Port Security Unit 305 services a utility task vehicle while deployed to Naval Station Guantanamo Bay, Cuba, July, 18, 2017. PSUs include a complete engineering division to maintain, service and repair the vehicles, boats and equipment keeping the PSU crewmembers mission ready while conducting operations within the U.S. and overseas supporting Department of Defense combatant commanders around the world. U.S. Coast Guard photo by Petty Officer 2nd Class Matthew S. Masaschi