180906-N-IA905-1047 DARWIN, Australia (Sept. 6, 2018) Cmdr. Kevin Louis, commanding officer of the Arleigh Burke-class guided-missile destroyer USS Michael Murphy (DDG 112), and Lt. Cmdr. Deanna K. Garbutt, the Royal Australian navy liaison officer, discuss navigation of Darwin harbor as the ship gets underway for the at-sea portion of Australian exercise Kakadu 2018. Michael Murphy is participating in Kakadu to enhance maritime security skills with participating nations by highlighting the value of information sharing and multilateral coordination. (U.S. Navy photo by Mass Communication Specialist 3rd Class Morgan K. Nall/Released)