Helicopter Sikorsky MH-60S Seahawk Serial 70-4432 Register 168577 used by US Navy USN. Aircraft history and location Aircraft History 168577 US Navy USN Sep15 HSC-9 /AJ-621 HSC-9 2021-05-17 A North Atlanticalongside the Wasp-class amphibious assault ship USS Iwo Jima (LHD 7) HSC-26 Send Updates Use APP to upload photo @ (optional) When Now? / / Send