Nukes in the Taiwan Crisis by Hans Kristensen

From the Federation of American Scientists:
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By Hans M. Kristensen

(May 13, 2008) Thanks to the efforts of Bill Burr at the National Security Archive, some of the veil covering U.S. nuclear war planning against China in the 1958 Taiwan Strait crisis now has been lifted by a declassified military study.

It shows that on the day after the Chinese began shelling the Quemoy islands on August 23, 1958, U.S. Air Force Headquarters apparently assured Pacific Air Forces “that, assuming presidential approval, any Communist assault upon the offshore islands would trigger immediate nuclear retaliation.” Yet President Dwight D. Eisenhower fortunately rejected the use of nuclear weapons immediately, even if China invaded the islands, and emphasized that under no circumstances would these weapons be used without his approval.

Caution against nuclear use didn’t mean not planning for it, however, and in the years after the Taiwan Strait crisis an enormous nuclear build-up occurred in the Far East. The numbers started to decline in the 1970s, and for a period during the 1980s and first half of the 1990s, nuclear planning against China was reduced to reserve force contingencies. In the past decade, however, China has again become a focus for U.S. nuclear strike planning.

The Available Nuclear Bombs

Shortly after the Chinese shelling of Quemoy began, General Nathan Twining, the Chairman of the Joint Chiefs of Staff, explained during a meeting with President Eisenhower’s cabinet that U.S. aircraft at the outset would drop 10-15 kilotons nuclear bombs on selected fields in the vicinity of Amoy (Xiamen). The Pacific Air Forces drew up a contingency plan based on the assumption that the United States would carry out the nuclear strikes necessary to defeat the attacking Chinese forces.

At that time, the Matador nuclear cruise missile was already deployed in Taiwan. The missile could deliver a 20 kt W5 warhead to a range of about 965 km (600 miles). From Taiwan, the Matador could potentially have hit Chinese troop concentrations around Amoy, but General Twining apparently favored bombs. Nuclear bombs, however, did not arrive in Taiwan until January 1960, but a declassified document previously released to me under FOIA shows they were available on Guam and Okinawa. The bombs included three types – Mk-6 (only Guam), Mk-36 Mod 1, and Mk-39 Mod 0 – with yields ranging from 8 kilotons to 10 megatons (see Table 1).

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