Aboard the USS Castle Rock (AVP-35)
Ensign Thomas Binford, USNR, photographs Lieutenant Robert S. Selby, USN, as he shoots the sun with a sextant while standing in one of the ship’s 40mm gun tubs in April 1945. The ship is in Tanapag Harbor, Saipan, with several PBM seaplanes in the distance.
Official U.S. Navy Photograph, now in the collections of the National Archives.