SAN ANTONIO, Texas (May 27, 2021) As Capt. Gerald DeLong, Naval Medical Research Unit-San Antonio's commanding officer listens, Cmdr. Drew Havard (right), an Oral and Maxillofacial Surgeon assigned to NAMRU-SA briefs Brig. Gen. Katherine Simonson on innovative research underway inside the Battlefield Health and Trauma Building's dental equipment laboratory at Joint Base San Antonio-Fort Sam Houston, Texas May 27, 2021. Simonson is the new Defense Health Agency Deputy Assistant Director for Research and Development. (U.S. Navy photo by Randy Martin)