^Dominguez, Gabrel (June 7, 2018). "Vietnam begins work on first submarine rescue vessel". Jane's Information Group. Vietnam's state-owned Z189 shipyard has begun assembly work on the first submarine rescue vessel for the People's Army of Vietnam Navy (PAVN). A keel-laying ceremony for the ship, known as MSSARS 9316 (multipurpose submarine search-and-rescue ship 9316), was held on 24 May at Z189's facilities in the northern coastal city of Haiphong, said the shipyard in a statement.