China's DF-5 ICBM launch
I doubt that China will ever disclose the size of its nuclear arsenal. China wants to have it both ways. It wants to appear non-threatening. This is good for its corporate image.
On the other hand, it wants to keep the United States guessing and reap the benefit of deterrence. Also, China cannot reveal the actual size of its nuclear arsenal. Otherwise, it would have just volunteered to join U.S.-Russian disarmament talks.
However, it is possible to reach reasonable conclusions based on an analysis of open-source materials and obtain a sense of the size of China's nuclear arsenal. Let's take a close look at General Zhu Chenghu's outburst. Did he reveal China's nuclear secret in a moment of anger?
In July 2005, "a Chinese general has threatened to launch nuclear missiles at the United States, warning that hundreds of American cities could be destroyed." (See
Chinese general threatens nuclear attack on US in war of words - Telegraph) Is it plausible that China had the capability to destroy hundreds of American cities in 2005 or was General Zhu completely nuts?
In 1998, Richard D. Fisher Jr. (see
International Assessment and Strategy Center > Scholars > Richard Fisher, Jr.) was working "as Asian Studies Director at the Heritage Foundation" and he reported:
"Congress should question the confidence that the Clinton Administration and the defense intelligence community place on their own assessments of China's current missile force.
Some reports that appeared in 1996 suggest the United States may be underestimating China's missile force. For example, during the 30th anniversary celebration of China's Second Artillery (its specialized missile force) in 1996, China's military press reported the completion of a decade-long project to build what is speculated to be a large missile base inside a mountain range.[27] A curious report that also appeared in 1996 estimates that China may have over 120 to 150 DF-5 missiles, which could be modified to carry as many as six one-megaton nuclear warheads.[28] If China is concealing ICBMs in a mountain base, then even marginal improvements to its ICBMs derived from U.S. technical know-how would contribute to a greater potential missile threat." (See
Commercial Space Cooperation | The Heritage Foundation)
If Richard Fisher is correct about the 1996 reports, China had approximately 150 DF-5 ICBMs hidden in the 5,000 km Underground Great Wall. This makes sense. No one would spend a fortune and ten years to build a massive 3,000-mile ICBM complex under a mountain range to hide only a small handful of ICBMs. (See
The Jamestown Foundation: single[tt_news]=35846&tx_ttnews[backPid]=459&no_cache=1 or
China’s nuclear missiles hidden “underground maze” | WAREYE)
Nine years elapsed between Richard Fisher's reference to the 1996 estimate of 150 DF-5s and General Zhu's 2005 warning. Let's use a conservative estimate and say China built one new brigade each year, which is twelve DF-5 missiles. After nine years, China would have accumulated another 108 DF-5s by 2005.
General Zhu may have been referring to a total of 258 DF-5s hidden under thousands of miles of a Chinese mountain range. General Zhu may have been accurate in "warning that hundreds of American cities could be destroyed." While General Zhu's July 2005 outburst is useful for open-source analysis, he was unprofessional and deserved his public demotion in December 2005 (for possibly revealing a state secret). (See
Shakeup of Top Chinese Military Command)
Anyway, it's now 2011 and the DF-5 ICBM story has taken another unexpected turn. In 1998, Richard Fisher wrote: "A curious report that also appeared in 1996 estimates that China may have over 120 to 150
DF-5 missiles, which could be modified to carry as many as six one-megaton nuclear warheads." (See
Commercial Space Cooperation | The Heritage Foundation)
In September 2010, Richard Fisher reported: "This analyst has been told by Asian military sources that the DF-31A already carries three warheads and that
one deployed DF-5B carries five or six warheads." (See
China and START. Missile buildup may surpass U.S., Russia as they denuclearize)
From 2005 to 2011, China probably built another 66 DF-5 ICBMs. China's current total inventory of DF-5s is probably around 324 (e.g. 258 + 66 = 324). 324 DF-5s with each missile carrying "six one-megaton nuclear warheads" provide a nuclear deterrent of 1,944 one-megaton warheads.
In conclusion, it doesn't really matter how many more DF-31As (with 3 MIRVs) or DF-41s (with up to 10 MIRVs) that China builds. The Chinese most likely have had a substantial nuclear deterrent by 1996 or 2005.