U.S. Army troops operating at a former Iraqi air base recently made a startling discovery: Russian-made missiles marked with radioactive warning signs. Army bomb disposal troops confirmed using Geiger counters that the missiles are indeed radioactive. The discovery is not, however, considered the long-sought "smoking gun" of Iraqi weapons of mass destruction. The missiles appear to be part of a cache of weapons supplied to Iraq before the 1991 Gulf War. The Russian-made R-60, NATO code name AA-8 Aphid, air-to-air missiles are part of a huge stockpile of former Iraqi Air Force munitions uncovered in over a dozen concrete bunkers....