ARLINGTON, VA - JANUARY 28: U.S. Secretary of Defense Chuck Hagel (R) and U.S. President Barack Obama pass each other during Hagel's farewell ceremony at Fort Myer January 28, 2015 in Arlington, Virginia. Hagel is stepping down once his replacement, Ashton Carter, has been confirmed by the U.S. Senate. (Photo by Win McNamee/Getty Images)
