But as soon as the IDF was fully mobilized and the reservist brigades that make up nine-tenths of its strength were ready to deploy for battle, the Israelis stopped both the Egyptian and Syrian armies in their tracks and began their own advance almost immediately. The war ended with Israeli forces 70 miles from Cairo, and less than 20 miles from Damascus, their success obscured by the shock of the surprise attack, emotional over-reactions, and the difficulty of seeing clearly through the fog of war.