Sailors on the sea and anchor detail lower the Navy Jack. Sailors on the sea and anchor detail lower the Navy Jack as the guided missile destroyer USS Curtis Wilbur (DDG 54) gets under way from Yokosuka, Japan, on April 19, 2006. The Navy Jack has been flying on all U.S. Navy ships since September 11, 2001, to honor those who died that day. SHARE: Download: Full Size (0.03 MB) Credit: VIRIN: 192076-Q-WRA25-179.jpg Photo Gallery