1·然而遗憾的是，韩美制定的一份重要的代号为“OPLAN 5027”军事行动计划被泄密。
Unfortunately, “OPLAN 5027”—the main American-South Korean war plan—has been compromised.
2·不幸的是美韩主要作战计划——“5027作战计划”已然被盗。
Unfortunately, "OPLAN 5027" -the main American-South Korean war plan-has been compromised.
3·2009年，一名韩国军官使用了一个被病毒感染的U盘，导致他电脑内的数据暴露在韩国黑客眼前并泄露了5027方案。
In 2009, a South Korean military officer used a tainted USB stick and exposed his computer to South Korean hackers, who gained access to Plan 5027.