Soldiers at Army Service School in Colorado Springs, Colorado, are being trained in radiotelegraphy, including semaphoring. This training both serves practical purposes and provides a recreational exercise to prevent monotony in the classroom. In this photograph, the soldiers are learning the correct technique for forming individual letters. This image is marked "For Official Use Only."

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Size: 8479px × 5749px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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