This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
US CQM takes sextant reading on USS Alaska CB . Navy Chief Quartermaster John Overholt taking sun sighting with sextant from the navigating bridge aboard the battlecruiser USS Alaska CB Taken circa March during the Iwo Jima operation Taking notes on the observations is Quartermaster Third Class Clark Bartholomew Official Navy photo