The proposed sale of 18 Common Fire Control System upgrade kits for the M142 HIMARS “will not alter the basic military balance in the region”, says the US State Department. SINGAPORE: The United States has approved Singapore's request to upgrade its M142 High Mobility Artillery Rocket Systems (HIMARS) in a deal estimated to be worth US$73 million. In a press release on Monday (Jun 15), the US State Department said Singapore had requested to purchase 18 Common Fire Control Systems (CFCS) upgrade