Sukhoi Su-17 M3/M4 Fitter-K 1:48 Kittyhawk       The Su-17, with its NATO reporting name Fitter was derived from the earlier Su-7 as a project to improve its low speed handling, particularly during take-off and landing.  It was Sukhoi's first attempt at variable geometry wings, and when it reached service was the Soviet Union's first swing-wing aircraft in service.  To keep the project costs down, the centre section of the wing remained fixed, with the outer able to