170609-N-CL550-339 FORT GEORGE G. MEADE, Md. (June 9, 2017) Three new commanding officers Cmdr. Mitchell Finke, left, commander of Cryptologic Warfare Maritime Activity (CWMA) 61; Cmdr. Deborah Yusko, commander of Cyber Strike Activity (CSA) 63; and Cmdr. Matthew Cegelske, commander of Cyber Defense Activity (CDA) 64; cut their inaugural command cakes at a reception following a change of command ceremony. (U.S. Navy photo by Mass Communication Specialist 2nd Class Taylor DiMartino/Released)