Pentagon Supply Chain Stabilization Task Force Vice Director of Logistics Rear Admiral John Polowczyk adjusts his protective face mask as he testifies before a House Select Subcommittee on the Coronavirus Crisis hearing on "The Administration Response to Ongoing Shortages of PPE and Critical Medical Supplies" during the coronavirus disease (COVID-19) pandemic on Capitol Hill in Washington, U.S., July 2, 2020. REUTERS/Kevin Lamarque/Pool