Andrews Air Force Base, UNITED STATES
U.S. President Obama and the first family walk to Air Force One near Washington
Malia (top) and Sasha Obama, daugthers of U.S. President Barack Obama and first lady Michelle, step aboard Air Force One at Andrews Air Force Base in Maryland, August 23, 2009. The first family are flying to Martha's Vineyard in Massachusetts for a week-long vacation. REUTERS/Jason Reed (UNITED STATES)