U.S. Public Health Service Cmdr. Dale Bates, embarked aboard the amphibious assault ship USS Kearsarge, discusses the proper use of fluoride with a family in at the Betania medical clinic during a Continuing Promise 2008 medical humanitarian project. Kearsarge is deployed supporting the Caribbean phase of Continuing Promise 2008, an equal-partnership mission involving the United States, Canada, the Netherlands, Brazil, Nicaragua, Panama, Colombia, Dominican Republic, Trinidad and Tobago and Guyana.