The various scenarios for war in the East China Sea, and possibly in the South China Sea, usually fall into two main categories. There is the “accidental” fight scenario. A Chinese destroyer’s radar locks onto a Japanese warship. The Japanese captain fires back in self-defense and the incident spirals out of control.That is one scenario. Another, possibly more realistic, is the “swarm” scenario: Several hundred “fishing boats” sail from ports in Zhejiang province for the Senkaku, where they overwhelm the Japanese Coast Guard by their sheer numbers.This time, the fishing boats land some 200 or so commandoes disguised as fishermen or “settlers.” The Senkakus are not garrisoned by Japanese troops, so no shots are fired. The Chinese side says it is not using force, merely taking possession of what it claims to be its sovereign territory.Tokyo feels obliged to respond, although the Chinese landing force is too large to dislodge by ordinary policing methods, such as those that have been used in the past when a handful of activists – Chinese and Japanese – tried to land on the disputed islands and plant their flags.That would put Japan in the position of being the first party to fire shots, possibly landing elements of the Western Infantry Regiment, which was created and trained specifically to recapture islands. Meanwhile, Tokyo hurriedly consults with Washington seeking assurance that it will honor its commitments to defend Japan.On more than one occasion, including in remarks from President Barack Obama himself, the United States has stated that the Senkaku come under the provisions of the joint security treaty as they are administered by Japan.In the most recent incident, the estimated 230 Chinese fishing vessels escorted by Chinese law enforcement vessels made no effort to land anyone, though the Japanese Coast Guard shadowing the vessels kept a sharp eye out for any sign of it.China boasts the world’s largest fishing fleet, but it is a matter of debate among security analysts as to extent to which China’s fishing fleet constitutes a paramilitary force, or as they sometimes say, a “maritime militia.” Somehow, a swarm of Chinese Fishing boats always seem to materialize on cue in disputes in the East and South China Sea.The use of fishing boats, not to mention the nominally civilian coast guard, tends to blur the distinctions between what is civilian and what is military. In any conflict, the Japan and the U.S. would have to deal with ostensibly civilian boats that could flood the battlefield turning it into a confusing melee.“China’s fishing fleet is being encouraged to fish in disputed waters . . . and are being encouraged to do so for geopolitical as well as commercial reasons,” says Alan Duport, a security analyst at the University of New South Wales.
Swarm tactics have been used often in the South China Sea. Hundreds of boats converged in the Gulf of Tonkin in 2014 in the dispute over the oil-drilling rig that the Chinese erected in Vietnam’s Exclusive Economic Zone (EEZ).