Petty Officer 2nd Class Christopher Mendez Lopez, crane operator aboard Coast Guard Cutter Sycamore, gives the signal that he is ready for a buoy launching operation at the Hinchinbrook Entrance to Prince William Sound in Alaska, December 6, 2018. The operation was postponed due to weather, but completed Dec. 10, 2018. U.S. Coast Guard photo by Petty Officer 1st Class Nate Littlejohn.