Dempsey Speaks at Student Conference at Texas A&M Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff, talks to about 700 attendees during a student conference on national affairs at Texas A&M University in College Station, Texas, Feb. 19, 2015. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 806758-U-JGY08-782.jpg Photo Gallery