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National Museum of the Marine Corps - Artifact Highlight - WWI 2d Division Helmet circa 1918 This M1917 helmet belonged to Marine Arthur E. Lyng. Lyng was a Navy Cross and Distinguished
World War One Doughboy Helmet] - UNT Digital Library
US Army steel helmet | Minnesota Historical Society
How the Military Helmet Evolved From a Hazard to a Bullet Shield | At the Smithsonian| Smithsonian Magazine
Hale & Kilburn Company | American Helmet Model No. 5 | American, Philadelphia | The Metropolitan Museum of Art
The Buffalo Soldiers in WWI (U.S. National Park Service)
Eleven Artifacts of Heroism from America's Wars | At the Smithsonian| Smithsonian Magazine
Ford Motor Company | American Helmet Model No. 8 | American, Philadelphia | The Metropolitan Museum of Art
Shocking” Results When WWI Helmets Were Compared to Modern Military Designs
WW1 WORLD WAR 1 U.S. MILITARY DOUGHBOY HELMET | eBay
A World War I Vintage Helmet Bests A Modern Brain Bucket : NPR