200410-N-XX999-029 WEST BETHESDA, Md. (April 10, 2020) A 3D printer makes face mask frames, April 10, 2020, in the Additive Manufacturing Lab at Naval Surface Warfare Center Carderock Division in West Bethesda, Md. Carderock’s Platform Integrity and Corporate Operations Departments were asked to create about 3,000 masks to be stocked for Carderock employees that need to be on base to perform work. (U.S. Navy photo by Scott Ziv/Released)