Republic of Korea ship Lee Jong Moo SS 66 (left) and the USS Columbus SSN 762 steam off the coast of Hawaii during RIMPAC '98 exercises. A P-3C Orion patrol aircraft flies over the formation to get a closer look. RIMPAC '98 is designed to enhance the tactical capabilities of participating units in major aspects of maritime operations at sea. RIMPAC '98 is the sixteenth in a series of Pacific naval exercises.