Airmen from the 144th Fighter Wing, California Air National Guard, board a C-130 cargo plane from the 136th Airlift Wing from Texas July 13, 2012. The airmen are on their way to Joint Base Pearl Harbor-Hickam in support of the Rim of the Pacific exercise. The 2012 RIMPAC exercise is the twenty-third maneuver in a history of bi-annual drills that dates back four decades. The purpose of the exercise is to bring together nations to observe, train and exchange information that fosters a cooperative training environment.