For what its worth naval tankers tend to have quite short hoses:
http://navyphotos.togetherweserved.com/1341081_med.jpg
http://1.bp.blogspot.com/_kIWY2DV0Kn...eling+F-18.JPG
http://upload.wikimedia.org/wikipedia/commons/9/91/KA-6D_refueling_S-3As_1976.JPEG
http://airrefuelingarchive.files.wordpress.com/2012/02/oif-d-16.jpg
http://www.asahi-net.or.jp/~hw2t-hrt...ugi/refuel.jpg
Exactly how short the KC-2's will be I can't say but would be surprised if max extension were even as much as twice the length of the sketch above.
Craig
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