WASHINGTON, April 21 -- The Senate Appropriations Subcommittee on Defense issued the following testimony by Rear Adm. Bruce L. Gillingham, surgeon general of the U.S. Navy, at a hearing on the Defense Health Program on April 20, 2021: * * * It is my privilege to update you on Navy Medicine. The last year has been like no other in our lifetimes as we confronted a deadly adversary, the SARS-CoV-2 virus and the disease it causes, COVID-19. The battle continues today. Throughout this global pandem  more