150304-N-ZI511-020 WASHINGTON (March 4, 2015) Chief of Naval Operations (CNO) Adm. Jonathan Greenert, right, testifies with Secretary of the Navy (SECNAV) Ray Mabus before the Senate Appropriations Defense Subcommittee on the Department of the Navy and Marine Corps budget for fiscal year 2016. (U.S. Navy Photo by Chief Mass Communication Specialist Julianne F. Metzger/Released)