U.S. Marine Corps Lance Cpl. Nathan Beermann with Ground

U.S. Marine Corps Lance Cpl. Nathan Beermann with Ground Combat Element, Marine Rotational Force - Darwin, prepares to rush an expedient bangalore in order to breech a barrier during offensive and defensive operations conducted during Exercise Koolendong at Mount Bundey Training Area, Northern Territory, Australia, Sept. 5, 2020. Koolendong will exercise the Marine Corps' and Australian Defence Force’s ability to conduct a range of crisis response and contingency operations in the Indo-Pacific region. (U.S. Marine Corps photo by Cpl. Lydia Gordon)