111-SC-9815: Enlisted specialists attend master gunners' class at the Fortress Monroe, Virginia. In this image, Lieutenant Wm. Fox from the is shown using a Sextant, a navigation instrument used for determining longitude and latitude by "shooting" the sun. (Not for publication. For official use only.)

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Size: 9177px × 6297px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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