Pentagon Supply Chain Stabilization Task Force Vice Director of Logistics Rear Admiral John Polowczyk waits to testify as his fellow witness U.S. Assistant Secretary for Health Admiral Brett P. Giroir elbow bumps another man in place of a handshake behind him before 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