ASDF monitoring Senkakus 24 hrs a day / Radar-equipped aircraft deployed in bid to prevent intrusions by Chinese planes

yomiuri.co.jp - 1/28/2013

The Self-Defense Forces have been keeping around-the-clock surveillance over airspace around the Senkaku Islands in Okinawa Prefecture, dispatching radar-equipped aircraft in a bid to prevent intrusions by Chinese airplanes. Air Self-Defense Force aircraft were dispatched to Okinawa Prefecture after a Chinese airplane intruded into Japanese airspace on Dec. 13, when the ASDF failed to promptly scramble fighters as a ground radar in the area was unable to detect the low-flying plane.

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