At the same time, the IDF had a rather disorganized logistics arm, which was put under severe strain when the IDF invaded the Sinai.[1] Most of the IDF weapons in 1956 came from France.[164] The main IDF tank was the AMX-13 and the main aircraft were the Dassault Mystère IVA and the Ouragan.[165] Superior pilot training was to give the Israeli Air Force an unbeatable edge over their Egyptian opponents.[164] The Israeli Navy consisted of two destroyers, seven frigates, eight minesweepers, several landing craft, and fourteen torpedo boats.