South Korea and the U.S. began the sixth round of talks on sharing defense costs on Wednesday.<br /> Senior officials from the two countries are holding negotiations for two days at the Korea Institute for Defense Analyses in Seoul. <br />In the previous negotiations,.... Washington has repeatedly asked Seoul to increase its share of defense costs... demanding that a new category called "operational support".... is added to the bill that South Korea has to pay for the U.S. Forces Korea. <br />This "operational support" includes.... the deployment of aircraft carriers,... long-range bombers and nuclear submarines. <br />
