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 Air Base, Afghanistan, May 13, 2013. Lewis is the deputy commanding general for support for Regional Command East. 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 Air Base, Afghanistan, May 13, 2013. Lewis is the deputy commanding general for support for Regional Command East. SHARE IMAGE: Download Image: Full Size (0.68 MB) Tags: Photo Essays Photo By: VIRIN: 099988-L-ELG75-580.jpg Photo Gallery