JALALABAD ESCORT U.S. Army Brig. Gen. Ronald F. Lewis escorts U.S. Deputy Defense Secretary Ash Carter to an awaiting helicopter as he wraps up a visit to Jalalabad Airfield, Afghanistan, May 13, 2013. Lewis is the deputy commanding general for support for Regional Command East. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 081193-G-WUM15-592.jpg Photo Gallery