170713-N-JN784-033 TOWNSHEND ISLAND, Australia (July 13, 2017) Marines assigned to the 31st Marine expeditionary unit (31st MEU) observe as Lance Cpl. Elijah Gums operates an unmanned aerial surveillance drone as part of a large-scale amphibious assault exercise during Talisman Saber 17. The U.S.-Australia bilateral exercise held off the coast of Australia meant to achieve interoperability and strengthen the U.S.-Australia alliance. (U.S. Navy photo by Mass Communication Specialist 1st Class Alexandra Seeley/Released)