Keywords: US CQM takes sextant reading on USS Alaska (CB-1) 1945.jpg U S Navy Chief Quartermaster John P Overholt taking a sun sighting with a sextant from the navigating bridge aboard the battlecruiser USS Alaska CB-1 Taken circa 6 March 1945 during the Iwo Jima operation Taking notes on the observations is Quartermaster Third Class Clark R Bartholomew Official U S Navy photo http //www history navy mil/photos/images/k03000/k03736c htm 80-G-K-3736 from the U S Navy http //www history navy mil Naval History and Heritage Command ca 1945-03-06 USN PD-USGov-Military-Navy see at this http //www history navy mil/branches/org11-2 htm site all Pictures in the Online Library of Naval Historical Center are public domain World War II color photographs of the Pacific War USS Alaska CB-1 Pacific War in March 1945 Sextants |