Coast Guard Petty Officer 3rd Class Lukas Mathews, a damage controlman assigned to Coast Guard Cutter Vigorous (WMEC 627), grinds a groove into a steel railing to repair the cutter's flight deck while moored in Portsmouth, Virginia, Jan. 23, 2026. Damage controlmen are responsible for shipboard firefighting, damage control and structural repairs, including welding, plumbing and carpentry. (U.S. Coast Guard photo by Petty Officer 3rd Class Mason Svitenko)