181031-M-CG676-050 NORWAY (Oct. 31, 2018) Commandant of the Marine Corps Gen. Robert B. Neller observes Marines participating in Trident Juncture 18 aboard the amphibious assault ship USS Iwo Jima (LHD 7), Oct. 31, 2018. Trident Juncture 18 is a NATO-led exercise hosted by Norway, including approximately 50,000 personnel from NATO countries, as well as Finland and Sweden, to test NATO’s collective response to a military attack against an ally. (U.S. Marine Corps photo by Sgt. Olivia G. Ortiz/Released)