Washington — In the week before an Iranian retaliatory strike that killed six American service members in Kuwait as the U.S.-Israeli war with Tehran began, Iranian intelligence was likely able to identify and track U.S. forces moving off military installations as a part of the Pentagon's force protection plan. The troops had moved in anticipation of the preemptive strikes on Iran, according to a U.S. Army Central memo reviewed by CBS News.  U.S. Army Central is a component of U.S. Central