Percussionists with the III Marine Expeditionary Force Band, warm up during the 45th Japan Ground Self-Defense Force Marching Festival in Tokyo, Nov. 19-20. The II MEF band travels around the Asia-Pacific region performing at various events. - Percussionists with the III Marine Expeditionary Force Band, warm up during the 45th Japan Ground Self-Defense Force Marching Festival in Tokyo, Nov. 19-20. The II MEF band travels around the Asia-Pacific region performing at various events.