Amid the U.S. diplomatic efforts to denuclearize North Korea, Washington and Seoul are negotiating a new deal on sharing the cost of maintaining U.S. forces in South Korea, because the last Special Measures Agreement (SMA) expired Dec. 31. Military experts told VOA they expect South Korea and the U.S. will remain firm allies despite the dispute that centers on a disagreement about how much the U.S. wants South Korea to pay as its share. Washington wants double the $850 million Seoul paid last year to cover the cost of stationing about the 28,500 American troops on more than 20 bases in South Korea. Since March, Seoul and Washington have held 10 rounds of talks but remained deadlocked, raising fears that President Donald Trump might threaten to draw down forces as he prepares for a second summit with North Korea. Washington and Seoul need to reach an agreement for the new cost-sharing …