The U.S. and South Korea have launched an annual joint military exercise, with a muted response from North Korea.
ສະຫະລັດກັບເກົາຫລີໃຕ້ ຮ່ວມຊ້ອມລົບ ປະຈໍາປີ
![South Korean army soldiers pass by ticket gates during a South Korea-U.S. joint military exercise at a subway station in Seoul, August 19, 2013.](https://gdb.voanews.com/7f479dd1-1e4b-497c-b82f-086c1b23a832_w1024_q10_s.jpg)
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South Korean army soldiers pass by ticket gates during a South Korea-U.S. joint military exercise at a subway station in Seoul, August 19, 2013.
![Students walk past South Korean soldiers wearing gas masks during an anti-terror drill at a subway station in Seoul during joint South Korean-U.S. military drills, August 19, 2013.](https://gdb.voanews.com/fe5cb2b3-d37d-4174-90fc-6635640656f9_w1024_q10_s.jpg)
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Students walk past South Korean soldiers wearing gas masks during an anti-terror drill at a subway station in Seoul during joint South Korean-U.S. military drills, August 19, 2013.
![South Korean army soldiers put on gas masks during South Korea-U.S. joint military exercises at a subway station in Seoul, August 19, 2013.](https://gdb.voanews.com/a180590a-832b-49fc-bafd-e38ff1f04c53_w1024_q10_s.jpg)
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South Korean army soldiers put on gas masks during South Korea-U.S. joint military exercises at a subway station in Seoul, August 19, 2013.
![Protesters stage a rally against South Korea-U.S. joint military exercises in front of Yongsan U.S. Army headquarters in Seoul, August 19, 2013.](https://gdb.voanews.com/439b8d72-830b-4171-a10b-2f73dcade51d_w1024_q10_s.jpg)
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Protesters stage a rally against South Korea-U.S. joint military exercises in front of Yongsan U.S. Army headquarters in Seoul, August 19, 2013.