2011 Tōhoku earthquake and tsunami additional power, because TEP's power plants were also damaged in the earthquake. Kansai Electric Power Company (Kepco) cannot share electricity, because its system operates at 60 hertz, whereas TEPCO and TEP operate their systems at 50 hertz; this is due to early industrial and infrastructure development in the 1880s that left Japan without a unified national power grid. Two substations, one in Shizuoka Prefecture and one in Nagano Prefecture, were able to convert between frequencies and transfer electricity from Kansai to Kanto and Tōhoku, but their capacity to do so is limited to 1 GW. With the damage to so
Kanto Plainsman all Air Force newspapers was intended as key source of command information. A Japanese-language version of the paper was published for Japanese nationals working at the above-mentioned American Air Force facilities. The final issue of Kanto Plainsman, Vol. X No. 16, was published on 24 April 1970. On that date it was merged with the Yokota Air Base newspaper The Afterburner, which was renamed the Fuji Flyer. The demise of "Kanto Plainsman" occurred soon after flying operations ceased at Tachikawa and the Air Force began its Kanto Plain Consolidation Program. MSgt George E. O'Brien was the "Kanto Plainsman"'s editor for