Official websites use .mil
Secure .mil websites use HTTPS
240118-N-FO865-1087 Aviation Boatswain’s Mate (Fuel) 1st Class Christopher Robertson shows a aluminum sound-powered phone cap fabricated using ADDiTEC’s ElemX™ 3D liquid metal printer onboard USS San Diego (LPD 22), January 18, 2023. San Diego, the only ship homeported in its namesake city, is a San Antonio-class amphibious transport dock ship assigned to Expeditionary Strike Group 3. (U.S. Navy photo by Mass Communication Specialist 1st Class Brandon Woods)