A member of Maritime Safety and Security Team Honolulu inspects a target after clearing the room of potential threats during Tactical Sustainment Training at Schofield Barracks, April 15, 2015. MSST units throughout the Coast Guard conduct regular training and requalify every 90 days to ensure a high level of proficiency in a tactical maritime environment. (U.S. Coast Guard photo by Petty Officer 3rd Class Melissa E. McKenzie)