RENAMING CEREMONY Navy Secretary Ray Mabus offers remarks at a renaming ceremony for the Humphreys Building at the Washington Navy Yard in Washington, D.C., April 20, 2015. The building, recently reopened after a gunman killed 12 people Sept. 16, 2013, was named after Joshua Humphreys, a Navy shipbuilder. The building is the headquarters for the Naval Sea Systems Command. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 086613-X-LSU25-278.jpg Photo Gallery