This photo shows R-9 (left) with the S-1 (SS-105) at Pearl Harbor, approximately 1931. Note how much the deck of R-9 has been flared outward to form the gun deck as compared to S-1. It gives a sense of scale to the two boats, and illustrated the fact that the smaller R-9 had a much smaller and narrower superstructure than the S-1. By contrast, this photo also illustrates how similar the designs of both boats were.
National Archives photo.
This photo shows R-9 underway in an unknown location, somewhere on the U.S. east coast, late 1941. R-9 was one of the R-boats that had been laid up in reserve in Philadelphia during the bulk of the 1930's. As the war crisis developed, the R-class boats were pulled out of mothballs and reactivated just in time to provide excellent training and patrol services in U.S. waters during the war.
