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http://www.airforcemag.com/Features/Pages/2019/June%202019/Lockheed-Looking-at-Extending-the-F-35s-Range-Weapons-Suite.aspx

>Adding 600-gallon fuel tanks to the strike fighter would provide about a 40 percent increase of range, said Greg Ulmer, Lockheed vice president and general manager of the F-35 program, June 17 at the Paris Air Show.

あと航続距離2200ｋｍの訳ないでしょう、戦闘行動半径と辻褄が合わんよ