U.S. Army Command Sgt. Maj. Muriel A. Macdonald, left, claps hands with a German army reserve soldier during a ruck march event hosted by a German army reserve group near the 7th Army Training Command’s Grafenwoehr Training Area, Germany, April 29, 2018. Macdonald is the senior enlisted advisor assigned to the 18th Combat Sustainment Support Battalion. Army photo by Gertrud Zach