<Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (October 2010) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (October 2010) (Learn how and when to remove this template message) </Td> </Tr> <P> The wire strike protection system (WSPS) (Developed for the OH - 58 / Bell 206 in 1979) is a system of components designed to mitigate the risk of wire strikes while flying helicopters at nap - of - the - earth altitudes, as well as takeoffs and landings . </P> <P> The system is mounted around the front of many U.S. Marine Corps, U.S. Navy, U.S. Air Force, U.S. Army, and some civilian helicopters . The larger CH - 46 and CH - 47 tandem - rotor helicopters have no WSPS installed . </P>

What is the pointy thing on the front of a helicopter