] "NBC News has learned from senior U.S. officials that the ] Iraqi government is believed to have bought a large ] number %u2014 perhaps 200 %u2014 of Russian-made global ] positioning system jammers, which can disrupt GPS ] signals. The devices, each about the size of a cigar box, ] may be able to fool the precision-guided bombs and ] missiles that would form the backbone of the U.S. ] military arsenal in a war with Iraq." Iraqis may have GPS jammers |