Republic of Singapore Air Force dentists provide treatment for a Thai local during an exercise Cope Tiger 17 (CT17) combined civic action engagement at a school in Nakhon Ratchasima Province, Thailand, March 22, 2017. The combined civic action engagement provided an outlet for the countries participating in CT17 to give back to the community surrounding Korat Royal Thai Air Force Base. Over 1,200 U.S., Thai and Singaporean military members participated in this year's annual multilateral exercise. (U.S. Air Force photo/Staff Sgt. Kamaile Chan)