VICKSBURG, Mississippi, May 21 -- The U.S. Army Engineer Research and Development Center issued the following news story: By Justin Campfield, public affairs specialist They may not appear on screen, but Drs. Zoe Courville and Elias Deeb played prominent behind-the-camera roles in a new national television commercial promoting Army Civilian careers. The two research scientists from the U.S. Army Engineer and Research Development Center's (ERDC) Cold Regions Research and Engineering Laboratory  more