Helicopter Maritime Strike Squadron FOUR ZERO (HSM-40) is located at Naval Station Mayport, Jacksonville, Florida.Ê The squadron was established 4 October 1985 to serve Helicopter Maritime Strike Wing Atlantic.Ê Their mission is to provide quality training to Fleet Replacement Pilots and Aircrew so they may fight and win at sea. HSM-40 is one of two MH-60R Fleet Replacement Squadrons where they train pilots and aircrew of the U.S. Atlantic Fleet, along with foreign students f rom around the globe.Ê This is Class 16-03’s patch and does not come with velcro attached.
