“…18 China describes its desired force structure as a "lean and effective" nuclear deterrent, one that is capable of ensuring retaliation following an enemy attack against China. 19 China's focus on the effectiveness of its nuclear missile force can be traced to concerns expressed in PLA publications dating to the late 1980s, which outlined plans to improve China's nuclear counterattack capability by moving toward mobile launchers, improving survivability, increasing the ability to penetrate missile defenses, increasing the numbers of missiles and launch units, and improving command and control and support systems.…”