U.S. Coast Guard Petty Officer 3rd Class Luis Madera Castro, a machinery technician aboard U.S. Coast Guard Seneca (WMEC 906), conducts an import maintenance round of Cutter Seneca's engine room at Port Miami, May 9, 2024.
Castro serves as one of Cutter Seneca's engineers on watch in charge of monitoring machinery on board and routinely conducting maintenance rounds of the cutter’s engine room and assorted mechanical systems. (U.S. Coast Guard Photo by Petty Officer 3rd Class Eric Rodriguez)