Secretary Gates applauds Gen. Peter Chiarelli. Secretary of Defense Robert M. Gates (left) applauds Gen. Peter Chiarelli, joining in with Chiarelli's mother Audrey and wife Beth (right) during a ceremony in the Pentagon on Aug. 4, 2008. Chiarelli, who previously served as senior military assistant to Gates, was both promoted and sworn-in as the Army's vice chief of staff. SHARE: Download: Full Size (0.09 MB) Credit: VIRIN: 713201-Q-RSB53-584.jpg Photo Gallery