The Emerson SARK is an official issue rescue knife to the elite U.S. Navy Rescue Teams. It was designed according to their parameters, field-tested in actual emergency conditions, and chosen just as you see here. All of the SARK models were constructed specifically for emergency use situations where safety and effectiveness are equally important. Three versions of our Search and Rescue Knife Models are now available, each with their own personality and use. The SARK is popular among paramedics, police officers, search and rescue and firefighters. Built to the Emerson standard, these bad boys are sure to never let you down in the line of duty. See for yourself.