Image 0 of 9Marines with Golf Battery, Battalion Landing Team, 3rd Battalion, 5th Marines, fire an M777A2 155mm howitzer as part of direct-fire training during Exercise Talisman Saber 17 on Townshend Island, Shoalwater Bay Training Area, Queensland, Australia, July 17, 2017. (Lance Cpl. Stormy Mendez/Marine Corps) CH-47 Chinook transports a Humvee during a sling load operation as part of the Network Integration Evaluation (NIE) 17.2 at Fort Bliss, Texas, on July 24, 2017. (Pvt. Deomontez Duncan/Army) An F-35 Lightning II fighter jet, assigned to the 6th Weapons Squadron, at Nellis Air Force Base, Nev., flies to meet a KC-135 Stratotanker cargo aircraft assigned to the 509th Weapons Squadron, at Fairchild Air Force Base, Washington, for aerial refueling over the Nevada Test and Training Range on July 10. (Senior Airman Kevin Tanenbaum/Air Force) Marines with Weapons Company, Battalion Landing Team, 3rd Battalion, 5th Marines, fire a Carl Gustav rocket system during Exercise Talisman Saber 17 on Townshend Island, Shoalwater Bay Training Area, Queensland, Australia, July 21, 2017. (Lance Cpl. Amy Phan/Marine Corps) U.S. and Royal Australian Navy ships from the Ronald Reagan Carrier Strike Group and the Bonhomme Richard Expeditionary Strike Group are underway in formation as part of a combined amphibious force on July 21 during Talisman Saber 17. (MC2 Sarah Villegas/Navy) Army Sgt. Michael Cohen, a survey team member with the District of Columbia National Guard’s 33rd Civil Support Team, navigates an obstacle while running through the stress shoot event of the 2017 Army National Guard Best Warrior Competition at Camp Ripley, Minn., Tuesday, July 18, 2017. (Sgt. 1st Class Jon Soucy/Army) Master Sgt. Braden Duszynski, a munitions specialist with the 128th Air Refueling Wing, holds a signal flare during aircrew survival training at Grant Park in Milwaukee, Wisc., July 15, 2017. (Senior Airman Morgan R. Lipinski/Air Force) Soldiers with the Hawaii National Guard’s breaching and breaking team drill a pilot hole in of debris to locate possible victims during the Combined Training Exercise at Kalaeloa, Hawaii, July 17, 2017. (Tech. Sgt. Andrew Jackson/Air National Guard) The amphibious dock landing ship USS Ashland (LSD 48) patrols waters off the coast of Australia under a star-lit night on July 21 during Talisman Saber 17. (MC3 Jonathan Clay/Navy)