<p>American soldiers with <a href="//commons.wikimedia.org/wiki/Hotchkiss_Mle_14" title="Hotchkiss Mle 14">Hotchkiss Mle 14</a> or Mle 1900 MMG firing on a German observation plane. 
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Original caption: Anti-aircraft MACHINE GUN of 101st Field Artillery (formerly 1st Massachusetts F.A., New England Coast Artillery), firing on a German observation plane at Plateau Chemin des Dames, France. March 5, 1918. Lt. Edwin H. Cooper. (Army) NARA FILE #: 111-SC-8716 WAR &amp; CONFLICT BOOK #: 622
Lt. Edwin H. Cooper
1918-03-05
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