COVID-19 Testing Dr. John S. Baxter, director of the Pentagon Flight Medicine Clinic, conducts COVID-19 testing as Secretary of Defense Lloyd J. Austin III and staff travel from Hawaii to Japan, March 14, 2021. SHARE: Download: Full Size (5.18 MB) Tags: Coronavirus Credit: Lisa Ferdinando, DOD VIRIN: 210314-D-BN624-0158.JPG Photo Gallery