These photos are provided by Candace Miesse, daughter of Jack Miesse who served on the Concrete Battleship between 1931 & 1933 so these photos are probably circa 1932.
 

^{The  photographs and scanned images on this page are property of Candace Miesse and cannot be used for publication without written permission. However, use on private or work computers for personal research is welcome and encouraged. High resolution copies of  photo's are available from Colonel Welch. For further information contact Ms. Miesse at cjmiesse@yahoo.com.}