GALVESTON, Texas - Petty Officer 3rd Class Chad Post, a boatswain's mate at Aids to Navigation Team Galveston, calls out to his shipmate, Petty Officer 2nd Class Kyle Bowen, a machinery technician at ANT Galveston, as he services the light on a day board, Apr. 5, 2012. ANT Galveston is in charge of servicing approximately 700 aids to navigation within its area of responsibility. U.S. Coast Guard Photo by Petty Officer 3rd Class Kevin Metcalf.