Fluoride Friend Navy Lt. Cmdr. Jennifer Eng-Kulawy, a pediatrician assigned to the hospital ship USNS Comfort, applies fluoride to a child's teeth at a temporary medical treatment site in La Brea, Trinidad and Tobago, Sept. 7, 2019. The Comfort is working with health and government partners in Central America, South America and the Caribbean. SHARE IMAGE: Download Image: Full Size (1.16 MB) Tags: USNS Comfort, navy, humanitarian aid Photo By: Navy Petty Officer 2nd Class Bobby Siens VIRIN: 190907-N-DZ642-1016H.JPG Photo Gallery