SAN DIEGO (Apr. 24, 2023) Sailors from various commands conduct training at the 19F3A Firefighting Trainer at Naval Base San Diego. The trainer is a three story building which houses a simulated ship's engine, boiler, supply rooms, CIC, laundry, electrical, berthing, and galley compartments, generating representative shipboard Class Alpha, Bravo, and Charlie fires for students to combat under realistic shipboard conditions. (U.S. Navy photo by Mass Communication Specialist 3rd Class Erica K. R. Higa)