US Marines, Japanese Self-Defence Forces train drone incursion, CBRN attack

United States Marine Corps and personnel from the Japanese Self-Defence Forces have trained in a simulated drone incursion and CBRN attack scenario during the exercise Keen Sword 27.

In one photo in a gallery of 10 from the exercise, US Marine Corps staff sgt. Ryan Cerrillo, an explosive ordnance disposal technician, was shown defusing a smoke grenade with the aid of a Man Transportable Robotics System II Centaur unmanned ground vehicle, developed by Teledyne FLIR Defense, at MCAS Iwakuni, Japan, on 24 October 2026.

Keen Sword is a routine, biennial bilateral field training exercise with multinational participation, designed to increase readiness and interoperability between the US military and Japan Self-Defence Forces while strengthening the US-Japan Alliance, DVIDS wrote.