ATSD(NCB) means Assistant to The Secretary of Defense For Nuclear and Chemical and Biological Defense Programs in Military
Similar to ATSD(NCB)
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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