Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, speaks with service members during a town hall on Fort Shafter, Hawaii, June 30, 2014. Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, speaks with service members during a town hall on Fort Shafter, Hawaii, June 30, 2014. SHARE: Download: Full Size (1.19 MB) Tags: Photo Essays Credit: VIRIN: 088254-D-EEW12-337.jpg Photo Gallery