Hagel Speaks During His Farewell Tribute Defense Secretary Chuck Hagel speaks during the Armed Forces Farewell Tribute to him on Joint Base Myer-Henderson Hall in Arlington, Va., Jan. 28, 2015. President Barack Obama hosted the event, which included remarks by Vice President Joe Biden and Army Gen. Martin E. Dempsey, chairman of the Joint Chiefs of Staff. Hagel is the 24th defense secretary. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 369229-Q-VCK68-427.jpg Photo Gallery