![](http://www.alamy.com/thumbs/6/EF76CF15-4B87-4C9A-8400-9F7F3480B9BA/PEWMRD.jpg)
Command Sgt. Maj. Harold E. Dunn IV, command sergeant major 20th CBRNE Command relinquishes responsibility during a ceremony at Aberdeen Proving Ground, Md., Feb. 4.
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Keywords: aberdeen, apg, cbrne, ceremony, csm, eod, relinquishment