RH

Submitted by György Chityil ... on Fri, 01/19/2018 - 18:32
Hierarchy: 
Initialism
Description: 
{{US|army}}{{aviation}} prefix code for reconnaissance helicopter designations
Ngram: 
RH
Ngram Text: 
RH
Source: 
Wiktionary
Issue: 
0
Wiktionary tag: 
Army
aviation
Ngram Count: 
1
Wikokit WikiText ID: 
141034