Crewmen at general quarters, while the ship was at sea, circa 1942. View looks aft from the after superstructure. Note flash-protection clothing worn by the men, 1.1 quadruple anti-aircraft machine gun mount in left center, 5/38 guns beyond, and depth charges on K-gun throwers by the main deck edge. Courtesy of the Naval Historical Foundation. Collection of Vice Admiral James E. Maher, USN, who was San Juan's Commanding Officer at the time of this photograph. U.S. Naval History and Heritage Command Photograph.