The hats of Pentagon Supply Chain Stabilization Task Force Vice Director of Logistics Rear Admiral John Polowczyk and U.S. Assistant Secretary for Health Admiral Brett Giroir sit on the floor behind the witness table at the start of 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