Aerial video of the sinking exercise (SINKEX) of the decommissioned guided-missile frigate USS Crommelin (FFG 37) during military Exercise RIMPAC 2016. Live fire from ships and planes sank the USS Crommelin July 19th, 60 miles north of Kauai, Hawaii. USS Crommelin was the 28th ship of the Oliver Hazard Perry-class guided-missile frigates.