University of California at San Diego student, Thien-Kim Le, from San Diego, Calif., representing the UCSD Pre-Dental Society, uses wax for tooth placement on a set of dentures for a patient while aboard the Military Sealift Command hospital ship USNS Mercy during Pacific Partnership 2008. Mercy is the primary platform for Pacific Partnership, a four-month humanitarian mission providing engineering, civic, medical and dental assistance to Southeast Asia and Oceania.