Brian Zalewski, a prosthetist at Naval Medical Center San Diego's (NMCSD) Comprehensive Combat and Complex Casualty Care (C5), explains procedures to Adm. James A. Winnefeld Jr., Vice Chairman of the Joint Chiefs of Staff, during his visit to NMCSD. The U.S. Navy is reliable, flexible, and ready to respond worldwide on, above, and below the sea. Join the conversation on social media using #warfighting. (U.S. Navy photo by Mass Communication Specialist 3rd Class Clay M. Whaley/Released)