Helicopter Sikorsky MH-60S Seahawk Serial Register 167834 used by US Navy USN. Aircraft history and location Aircraft History 167834 US Navy 2010-11-13 A KLAS HSC-9 ./AJ-611 at Las Vegas HSC-9 Jun12 HSC-28 /BR-45 Jan14 still HSC-28 2015-11-14 B Gulf of Aden picture as HSC-28 /BR-45 aboard USS USS Kearsarge (LHD-3) firing inert 2.75 inch Mighty Mouse rocket during a rocket exercise in the Gulf of Aden Send Updates Use APP to upload photo @ (optional) When Now? / / Send