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A company commander with the Amphibious Rapid Deployment Brigade (ARDB), communicates through a translator during an air assault training exercise, on Combined Arms Training Center (CATC) Camp Fuji, Japan, March 9, 2022. The training exercise was conducted to build proficiency in rapidly seizing and defending key terrain. Maritime Defense Exercise Amphibious Rapid Deployment Brigade (MDX-ARDB) is a bilateral exercise meant to increase interoperability and strengthen ties between U.S. and Japanese forces for the defense of Japan.