RR&D means Reparation, Removal, and Demolition Section, U. S. Military Government, Germany in Military
Similar to RR&D
1MC - General Announcing System1MX - 1st Battalion The Middlesex Regiment
1NCD - 1st Naval Construction Division
1SG - First Sergeant
1st - IOC 1st Information Operations Command Land
1WVI - 1st West Virginia Infantry Regiment
1WVLA - 1st West Virginia Light Artillery Regiment
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