Submitted by György Chityil ... on Fri, 01/19/2018 - 17:08 Hierarchy: InitialismDescription: {{US|army|aviation}} the prefix for cargo helicopter designationsNgram: CHNgram Text: CHSource: WiktionaryIssue: 0Wiktionary tag: ArmyaviationNgram Count: 1Wikokit WikiText ID: 36189