200511-N-IV689-0002 BREMERTON, Wash. (May 11, 2020) Sarah Higgins, a fabric worker with Shop 64, Sail Loft, installs a vacuum hose for the negative pressure air handling system on a prototype biocontainment system, May 11, 2020 in Building 460, at Puget Sound Naval Shipyard & Intermediate Maintenance Facility in Bremerton, Washington. (U.S. Navy photo by Scott Hansen/Released)