Gulf Minecountermeasure Squadron Update - the Minehunters ATHERSTONE and SHOREHAM have sailed for Gulf for three year deployments working out of Bahrain.     En route the two ships will operate together in the Red Sea and Gulf of Aden, giving support to a multinational task force providing security in the troubled waters.   The ATHERSTONE and SHOREHAM are to replace two (2) of the four (4) Minecountermeasure vessels currently on station.