The SARK (Search and Rescue Knife) or NSAR (Navy Search and Rescue) is a folding knife designed by Knifemaker Ernest Emerson for use as a Search and Rescue knife for the US Military. It features a wharncliffe blade with a blunt tip in order to cut free trapped victims without cutting them in the process. A variant with a pointed-tip designed for police use exists, known as the P-SARK (Police Search and Rescue Knife). History After a helicopter crash in 1999, which resulted in the deaths of six… (More on Sark)