Mask Making Employees with Naval Facilities Engineering and Expeditionary Warfare Center, Naval Construction Group 1, create 3D face masks to support the COVID-19 relief efforts aboard the Navy hospital ship USNS Mercy in Los Angeles, April 13, 2020. The Defense Logistics Agency’s Joint Additive Manufacturing Model Exchange has a dozen approved models for critical items such as face shields and surgical masks for military users. SHARE IMAGE: Download Image: Full Size (0.41 MB) Tags: coronavirus Photo By: Navy Petty Officer 2nd Class Michael Lopez VIRIN: 200413-N-TP832-2054C.JPG Photo Gallery