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Japan and China’s Dispute Goes Nuclear

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Japan and China’s bitter PR campaign has now entered the nuclear realm.

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By Zachary Keck
March 18, 2014

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Japan and China appear to be trading nuclear barbs with one another.

For some weeks now, China has been raising concerns about the amount of enriched uranium and weapons-grade plutonium Japan currently stockpiles. “We continue to urge the Japanese government to take a responsible attitude and explain itself to international community,” a Chinese Foreign Ministry spokesperson said at the end of last month.

The following week, the same spokesperson asked: “Has Japan kept an excessive amount of sensitive nuclear material that is beyond its actual needs? Does one need so much sensitive nuclear material for peaceful use? Should one keep excessive weapons-grade nuclear material?” He added: “More importantly, does Japan have higher-enriched and weapons-grade uranium, and how much does it have? What are those used for? How can Japan ensure a balance between the demand and supply of nuclear materials? These are the real concerns and questions of the international community.”

Japan has one of the most advanced civilian nuclear programs of any country without nuclear weapons.According to NBC News, Tokyo has 9 tons of plutonium stockpiled in different places throughout Japan, while 35 tons of Japanese plutonium is stockpiled in different countries in Europe. Only about 5 to 10 kilograms is needed to produce a nuclear weapon. Japan also has an additional 1.2 tons of enriched uranium. It is also building a fast-breeder plutonium reactor in Rokkasho that will produce 8 tons of plutonium annually.

Many experts believe that Japan could produce nuclear weapons within 6 months of deciding to do so, and some believe that Tokyo is pursuing a “nuclear hedging” strategy. Japan has done little to mollify these concerns. In fact, it has often encouraged them, with a Japanese official recently saying off the record that “Japan already has the technical capability [to build a nuclear bomb], and has had it since the 1980s.

Having a “bomb in the basement” largely suits Japan’s interests in its competition with China. By indulging Beijing’s concerns that Japan may build nuclear weapons, Tokyo is hoping to deter China from racketing up bilateral tensions too heavily. At the same, Tokyo is hoping to use its nuclear hedge strategy as leverage over the U.S. to ensure that Washington stays engaged in region.

Still, Japan has to walk a fine line in pursuing this strategy as no other issue—with the possible exception of revisionist history—unites Northeast Asia against Japan more than its possible nuclear weapons ambitions. Besides China, both North and South Korea also have grave concerns about Japan going nuclear. Similarly, pushing its nuclear hedge strategy too far could upset the U.S. to the point where it becomes less willing to back Japan on other issues.

Besides China’s desire to raise concerns about Japan’s possible nuclear ambitions, new reports suggest that Tokyo is seeking to use Beijing’s nuclear arsenal to pressure it. According to Kyodo News Agency, a draft statement for the Non-Proliferation and Disarmament Initiative meeting next month may call on China to join U.S.-Russian arms control talks. The meeting is being held in Hiroshima, and Kyodo suggests that Japan is the driving force behind the effort to urge China to engage in multilateral arms reduction negotiations.

To this point, China has refused to enter into nuclear reduction talks with the U.S. and Russia, insisting instead that Washington and Moscow make further reductions to their arsenals before it will commit to its own cuts. In some ways, this seems entirely justifiable given that Russia and the U.S. still control about 90 percent of the world’s nuclear weapon stockpiles. However, in the face of China’s growing conventional military power, Russia has stated that it will no longer agree to more nuclear weapons cuts unless they are done in a multilateral forum.

For Japan’s purposes, including China in the draft statement is probably more of a public relations stunt, in the same vein as China’s decision to raise concerns about Japan’s longstanding civilian nuclear program. Thus, the bitter public relations war between China and Japan seems to be going nuclear, so to speak.

Japan and China’s Dispute Goes Nuclear | The Diplomat
 
Japan no longer confident with their conventional war with China?
 
We support Japan's right to protect their sovereignty from rogue aggressors. The Japanese are a historically peaceful people with a nearly impeccable human's rights standard, and as such, they do not pose any threat whatsoever to the international community.
 
We support Japan's right to protect their sovereignty from rogue aggressors. The Japanese are a historically peaceful people with a nearly impeccable human's rights standard, and as such, they do not pose any threat whatsoever to the international community.

Missile Program
Japan has an active commercial space launch program using several types of solid- fuel rockets, which could provide the basis for a long-range ballistic missile program. Under the conditions set by the Allied Powers following World War II, Japan was forbidden to develop rockets until 1955.(1) The solid-propellant M-4S, capable of placing a 180 kg payload in a 250 km orbit, was started in 1963 and four vehicles were launched in the period between 1970 and 1972. The M-4S is no longer in production or in service. The M-3C (195 kg in 250 km orbit) and the M-3H (290 kg in 250 km orbit) were the next generation of rockets first launched in 1974. They also are no longer in production or service, having been superseded by the M-3S-II (780 kg in 250 km orbit), first launched in 1985. The initial M-3S-II launches injected Japan's first interplanetary probes, Sakigake and Suisei, toward Halley's Comet.(2) The M-3S-II is also considered to be capable of a surface-to-surface range of 4,000 km with a 500 kg payload(3)

Development of the new M-V rocket was begun in 1989 and first launched in 1995. The M-V is more than twice the weight of the M-3S-II (130,000 kg vs. 61,700 kg). It will is able to place a 1,800 kg into low earth orbit or inject a 300-400-kg payload into space for planetary surveys.(4) Apparently, the M-V would be capable of intercontinental range as a ballistic missile.

1 - A comparison of Japanese solid rocket motor launch vehicles and American intercontinental ballistic missiles (ICBMs) is interesting. Although precise calculations would be even more interesting, these rough numbers indicate rather clearly Japanese competence in this field.

State System Length Diameter Mass Payload

Japan J-1 33 m 1.8 m 89 t 0.8 t
M-V 31 m 2.5 m 130 t 2.0 t

USA Minuteman III 18 m 1.8 m 35 t 1.2 t
MX Peacekeeper 22 m 2.3 m 85 t 4.2 t


If converted to ballistic missile applications, the M-V would seem likely to give Japan an ICBM roughly equivalent to the MX Peacekeeper, and the J-1 would probably give Japan an ICBM surpassing the performance of a Minuteman III.


2 - The H-2 launch vehicle core stage propellants are cryogenic liquid hydrogen and oxygen. As such, it is ENTIRELY unsuited for conversion to ballistic missile applications. Although it is comparable in performance to the American Titan 34D launch vehicle, the Titan 3 family has never been used as an ICBM, and was only very briefly considered for such an application in the early 1960s, when though was given to using it to carry very high yield (~100 MT) nuclear warheads.

The Japanese launch vehicles have a lower payload fraction than the American ICBMs for at least three reasons:

  • The Japanese are using lower performance propellants;
  • They are reaching orbit rather than just a ballistic trajectory
  • The J-1 is something of a lash up, and has an excessively large first stage.
Firing these vehicles on long-range (~12,500 km) ICBM trajectories would increase their throw-weight by roughly a fifth right off the bat. Assuming that a Japanese ICBM would have a "Moscow Criteria" range, the distance from Hokkaido to Moscow is only 7,000. Even adding a "Washington Criteria" only gets the requirement up to about 10,000 km. The nominal range of the Minuteman III is 13,000 km and that of the Peacekeeper some 12,000 km. Firing the Japanese vehicles to a 7,000 km range would roughly double the throw-weight relative to their space launch payload (these estimates are just gut hunches, since each rocket performs differently on depending on how the propellant is allocated between stages).

The J-1's first stage is overly large relative to the rest of the stack, which results in poor performance relative to gross liftoff mass. An operational Japanese ICBM, as opposed to an emergency lash up, would use a more optimal configuration, yielding better performance.
 
We support Japan's right to protect their sovereignty from rogue aggressors. The Japanese are a historically peaceful people with a nearly impeccable human's rights standard, and as such, they do not pose any threat whatsoever to the international community.

I see you refuse to learn the truth.

Invasion of Ryukyu - Wikipedia, the free encyclopedia
Japanese invasion of Taiwan (1895) - Wikipedia, the free encyclopedia
Japanese invasions of Korea (1592–98) - Wikipedia, the free encyclopedia

historically peaceful? not really
 
What do you mean ,china was not confident from 1960's.grow up



Japan plan to build nuke to counter China rise in the region, China government never threaten to nuke Japan over the island dispute, the only logical reason for Japan to rattles about nuclear retailation because they believe their conventional military can't match with China in the future conflict.
 
Japan plan to build nuke to counter China rise in the region, China government never threaten to nuke Japan over the island dispute, the only logical reason for Japan to rattles about nuclear retailation because they believe their conventional military can't match with China in the future conflict.
Common ,did Japan threaten to nuke China,they did not,what logical reason China had when it went nuclear.dont tell me US.
 
Japan plan to build nuke to counter China rise in the region, China government never threaten to nuke Japan over the island dispute, the only logical reason for Japan to rattles about nuclear retailation because they believe their conventional military can't match with China in the future conflict.

And Japan never said its going to build Nukes to counter Chinese. Of course in future conflict Chinese would have upper hand, Japanese can't manage that. China having nukes is enough to be said than threatening with its nukes.. If Japanese wish not to have conflict with China then they must build the Nukes soon as possible, having said by many Experts that Japanese now how to build the nukes itself is giving Chill deep into Chinese bones, Then think if actually Japanese build one for themselves to defend itself.
 
Common ,did Japan threaten to nuke China,they did not,what logical reason China had when it went nuclear.dont tell me US.


US general did threaten to nuke China in Korean war, Russia did intimidate China will nuclear anniliation. Since Japan is the forefront with US demand other nations not to build nuclear weapons and use nukes as retaliation. Iran, N.K suffer sanction because they intend to build nuclear weapons, what give Japan the right to condemn other and themself building nuke.
 
Japan plan to build nuke to counter China rise in the region, China government never threaten to nuke Japan over the island dispute, the only logical reason for Japan to rattles about nuclear retailation because they believe their conventional military can't match with China in the future conflict.

Japan has ICBM and nuclear ability, the range they need to cover all China mainland is just 3000-4000km, for China east coast, only 1500 km is enough.

We all know that Japan nuclear is for balancing to China nuclear program ... the decisive method to solve the conflict still the conventional naval battles ... which Japan still have competitive power.

9873C2E2-67C6-4ECD-BAAA-2147433219AA_mw1024_n_s.jpg
 
And Japan never said its going to build Nukes to counter Chinese. Of course in future conflict Chinese would have upper hand, Japanese can't manage that. China having nukes is enough to be said than threatening with its nukes.. If Japanese wish not to have conflict with China then they must build the Nukes soon as possible, having said by many Experts that Japanese now how to build the nukes itself is giving Chill deep into Chinese bones, Then think if actually Japanese build one for themselves to defend itself.



When Japan determine to punish other nation from acquiring nuclear weapons, they can't be hypocrite and build a nuclear weapons themself.
 
US general did threaten to nuke China in Korean war, Russia did intimidate China will nuclear anniliation. Since Japan is the forefront with US demand other nations not to build nuclear weapons and use nukes as retaliation. Iran, N.K suffer sanction because they intend to build nuclear weapons, what give Japan the right to condemn other and themself building nuke.
Best thing will be everyone to give up nuke,what do you say.
 
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