MOTORCADE WAVE Outgoing Deputy Defense Secretary Ash Carter waves a final farewell as he gets into his vehicle for his last motorcade departure from the Pentagon, Dec. 4, 2013. Carter, who has served as deputy secretary since October 2011, is returning to private life. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 689115-M-JLC87-865.jpg Photo Gallery