AIRMAN'S QUESTION Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, speaks with about 300 service members, Defense Department civilians and family members on Offutt Air Force Base near Omaha, Neb., June 26, 2012. SHARE IMAGE: Download Image: Full Size (0.05 MB) Photo By: VIRIN: 471194-U-SCU22-224.jpg Photo Gallery