Enlisted specialists' school, master gunners' class at Fortress Monroe, Virginia. Lieutenant William Fox, Signal Corps, using a sextant, an instrument used by mariners to determine longitude and latitude by "shooting" the sun. Photograph taken in April 1918. Issued not for publication. For official use only. Notes: 29314.

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

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