USS Camden (AS-6) with four R-class submarines at San Diego, in the early 1920s (NH 101183)

The U.S. Navy submarine tender USS Camden (AS-6) in San Diego Harbor, California (USA), during the early 1920s, with four R-class submarines alongside. The outboard submarine is USS R-8 (SS-85). The inboard boat is USS R-6 (SS-83).