HSM 70 Helicopter Maritime Strike Squadron 70 (U.S. Navy) The HSM 70, also known as Helicopter Maritime Strike Squadron 70 within the U.S. Navy, is a naval aviation squadron specializing in maritime operations. Operating MH-60R Seahawk helicopters, the primary role of this squadron is to provide critical support for the fleet, with a focus on anti-submarine warfare, anti-ship warfare, and special operations missions. The HSM 70 is stationed at Naval Air Station Jacksonville, Florida, and plays an essential part in maintaining the security of the U.S. naval forces. This squadron has a long history dating back to its establishment in 1943, showcasing its significant contributions to the U.S. Navy's operations over the years.