Technical Sgt. Barbara Brooks, 316th Wing Protocol specialist, left, and Capt. Nester Jimenez, 316 WG Protocol officer, right, review information April 13, 2010, in preparation for the departure of foreign dignitaries attending the Nuclear Security Summit, who will be departing from Joint Base Andrews, Md., over the next two days. The 316 WG is leading operations to provide safe, effective and efficient departure services for the invited guests transiting Andrews. (U.S. Air Force photo by Airman 1st Class Melissa V. Brownstein)