U.S. Army soldiers have used "excessive" and "unauthorized deadly force" in Iraq to defend supply convoys because they did not have the proper weapons, according to a commander's secret internal memorandum. The memo says soldiers need precision-guided pistols, in addition to heavy-fire machine guns, to ensure that innocent people are not killed. The memo was written by Brig. Gen. Joseph J. Chaves, who commands an Army National Guard brigade that performs the perilous job of guarding convoys that move in and out of Camp Anaconda, a sprawling logistics base near Balad, north of Baghdad... ...In the March 15 memo, Gen....