Full description: U.S. Marine Corps Lance Cpl. Connor Magill, left, an M3E1 multipurpose anti-armor anti-personnel weapon system gunner with Fox Company, 2nd Battalion, 5th Marine Regiment (Reinforced), Marine Rotational Force – Darwin 24.3, uses a MAAWS to gauge a distance at Cowley Beach Training Area, QLD, Australia, June 16, 2024. The Marines of Fox Co. participate in Tully Combat Training Centre’s Regional Warfighter Exercise in order to increase lethality in a jungle environment, further develop interoperability with the Australian Defence Force, and increase readiness for various operations in the Indo-Pacific region. Magill is a native of Ohio. (U.S. Marine Corps photo by Cpl. Juan Torres)
Probably just doing handling training with an inert launcher.