Dr. Jill Biden greets pilots in the cockpit of a C-17 as they depart Baghdad International Airport in Baghdad, Iraq, July 5, 2010. Dr. Biden met with members of the 4th Stryker Brigade Combat Team, 2nd Infantry Division, and other deployed service members and civilians at Camp Liberty as part of a visit to Iraq during the 4th of July weekend. (Official White House Photo by David Lienemann)