ATSD(NCB) means Assistant to The Secretary of Defense For Nuclear and Chemical and Biological Defense Programs in
Military
Similar to ATSD(NCB)
3ACC - 3A Central Control
3DS - Digital Decision Display System
3JR - Third Battalion Jamaica Regiment
3M - Maintenance and Materiel Management
3XMAG - 3X Magnifier lens
4-W - 4-Wire
407 RRD - 407th Radio Research Detachment
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