NEW OFFICIALS Defense Secretary Robert M. Gates gives opening remarks during a welcoming ceremony for three newly appointed senior department officials at the Pentagon, Aug. 10, 2009. The officials are: Zachary J. Lemnios, director, Defense Research and Engineering; Wallace C. Gregson, assistant defense secretary for Asian and Pacific Security Affairs; and Paul N. Stockton, assistant defense secretary for Homeland Defense and Americas' Security Affairs. SHARE: Download: Full Size (0.04 MB) Credit: VIRIN: 755179-R-KBH23-078.jpg Photo Gallery