New Zealand Army Gunner Nathan Cookson, right, supervises

New Zealand Army Gunner Nathan Cookson, right, supervises Lance Cpl. David Cook, who assembles an IW Steyr during exercise Joint Assault Signals Company Black, at Camp Linton, New Zealand, Aug. 11, 2015. The New Zealand Army Soldiers introduced the rifle to U.S. Marines in preparation for a live-fire range. The Soldiers demonstrated the proper loading, firing, assembling and disassembling procedures. Cookson is a signal bombardier with 161 Battery, 16 Field Regiment. Cook is from Lexington, South Carolina, and a radio operator with 5th Air Naval Gunfire Liaison Company, III Marine Expeditionary Force Headquarters Group, III MEF. (U.S. Marine Corps photo by Cpl. Isaac Ibarra/Released)