ATSD(NCB) means Assistant to The Secretary of Defense For Nuclear and Chemical and Biological Defense Programs in Military
Similar to ATSD(NCB)
10BASE-T - 10 Megabits per second, Baseband, Twisted pair11AD - 11th Airborne Division
11B - Military Occupational Specialty for Infantryman
11z - Command Sergeant Major Military Occupational Specialty code
12 WVI - Twelvth West Virginia Infantry Regiment
121ARW - 121st Air Refueling Wing
129 RQW - 129th Rescue Wing
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