Coast Guard Petty Officer 2nd Class Evan Staph, an aviation survival technician at Coast Guard Air Station Cape Cod, prepares his gear prior to jumping out of an MH-60 Jayhawk helicopter, during a search and rescue training exercise with Station Boston, Tuesday, Aug. 8, 2017, in Boston Harbor. Staph jumped into the water from the hovering helicopter and swam to Station Boston's 45-foot rescue boat. U.S Coast Guard photo by Petty Officer 3rd Class Andrew Barresi