This document outlines MARFORPAC operations and exercises for CY12. It engaged 48 countries through over 100 exercises and events, including two humanitarian assistance/disaster relief operations and three contingency responses. Approximately 50,000 Marines were deployed in support of activities like RIMPAC, CARAT, engagements with countries in Southeast Asia, Korea, Japan, and partnerships with countries like Australia, New Zealand, and nations in the Pacific Islands.