Indeed, the Egyptian military is not dominated by Islamists; and it will not allow Egypt to descend into total anarchy.
It was the military, Mr. Guardino notes, who led a 1952 coup aimed at rooting out corruption and establishing a more representative government. One of the members of that movement was a young officer named Anwar El Sadat, who later signed the Camp David peace accords, establishing peace with Israel.
Yet, Sadat died at the hands of Islamists within the ranks of his own military. Attending a military parade 6 October 1981, Mr. Sadat was gunned down by soldiers aligned with Egyptian Islamic Jihad who stormed the reviewing stand, firing automatic weapons and tossing grenades.
Thirty years later, we can only wonder how much influence the Islamists have attained within the Egyptian military--not at the flag ranks, but among junior officers and ordinary soldiers, those most likely to side with the Muslim Brotherhood and other radical elements.
ADDENDUM: Late reporting from Cairo suggests that operatives from Hamas have crossed into Egypt from the Gaza Strip, linking up with members of the Brotherhood to provide assistance and support. Calling that development disturbing would be a grave understatement.