Petty Officer 2nd Class Ryan Pierce, an aviation survival technician at Coast Guard Sector San Diego, guides an MH-60 Jayhawk helicopter crew while hanging from the helicopter during a search and rescue demonstration in Glorietta Bay, in Coronado, Calif., July 4, 2015. During the demonstration, Pierce and the Jayhawk crew simulated various rescue techniques during search and rescue cases. (U.S. Coast Guard photo by Petty Officer 1st Class Rob Simpson)