cliparts/d/e/4/d/clipart-us-helmet-second-world-war-de4d.svg image/svg+xml Open Clip Art Library US helmet (second world war) 2008-12-11T23:44:01 http://openclipart.org/detail/20669/us-helmet-(second-world-war)-by-rg1024 rg1024 clip art clipart helmet helmet image media military military photorealistic photorealistic png public domain second second svg war war world world