Workers load an U.S. Army tank onto a train to replace the U.S. Forces Korea's 2nd Infantry Division's existing ones at a pier in Busan, South Korea, Friday, Feb. 7, 2014. North Korea threatened ... more 
Workers load an U.S. Army tank onto a train to replace the U.S. Forces Korea's 2nd Infantry Division's existing ones at a pier in Busan, South Korea, Friday, Feb. 7, 2014. North Korea threatened Thursday to cancel reunions of Korean War-divided families because of upcoming U.S.-South Korean military drills and accused the United States of raising tensions by flying nuclear-capable B-52 bombers near the Korean Peninsula. (AP Photo/Yonhap, Jo Jung-ho) KOREA OUT less 
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Associated Press | Photo By Yonhap, Jo Jung-ho
Fri, Feb 7, 2014 12:36 AM EST