A National Oceanic and Atmospheric Administration technician performs required maintenance on NOAA Environmental Buoy 46013, approximately 30 nautical miles off the coast of Monterey Bay, Calif., between July 27-30. The crew of Coast Guard Cutter Aspen, a 225-foot buoy tender homeported out of San Francisco, and members of NOAA performed scheduled maintenance and hull relief on buoys that transmit critical weather data and surf forecast. (Photo by U.S. Coast Guard)