180916-N-FN963-1009 PHILIPPINE SEA (Sep. 16, 2018) The Arleigh Burke-class guided-missile destroyer USS Milius (DDG 69) launches a standard missile 2 while in formation with the USS Chancellorsville and USS Ronald Reagan during a live-fire exercise for Valiant Shield 2018. The biennial, U.S. only, field-training exercise focuses on integration of joint training among the U.S. Navy, Air Force, and Marine Corps. This is the seventh exercise in the Valiant Shield series that began in 2006. (U.S. Navy photo by Mass Communication Specialist 1st Class Richard L.J. Gourley/Released)