Jisho

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ECH ()
Wikipedia definition
1. Enhanced Combat Helmet (United States)The Enhanced Combat Helmet (ECH) is a United States Marine Corps program to replace the combat helmets of the U.S. Army, Navy, and Marines using thermoplastics instead of the ballistic fibers used on the current generation combat helmets.
Read “Enhanced Combat Helmet (United States)” on English Wikipedia
Read “ECH (ヘルメット)” on Japanese Wikipedia
Read “Enhanced Combat Helmet (United States)” on DBpedia

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