Mr. Alfred Grein, Executive Director, Research & Technology Integration, CCDC Ground Vehicle Systems Center, recites his oath of office upon being elevated to the Army's Senior Executive Service in a ceremony at Detroit Arsenal, Michigan, March 15, 2019.

---

Size: 1735px × 1153px
Photo credit: © Nelly George / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: archive, armed, ccdc, defence, forces, gvsc, military, reportage, servicemen, usa