![A South Korean Marine wears a helmet allegedly damaged during Tuesday's shelling by North Korea on Yeonpyeong Island, South Korea, Thursday, Nov. 25, 2010. South Korea's president vowed Thursday to boost troops A South Korean Marine wears a helmet allegedly damaged during Tuesday's shelling by North Korea on Yeonpyeong Island, South Korea, Thursday, Nov. 25, 2010. South Korea's president vowed Thursday to boost troops](https://c8.alamy.com/comp/2P7BY7P/a-south-korean-marine-wears-a-helmet-allegedly-damaged-during-tuesdays-shelling-by-north-korea-on-yeonpyeong-island-south-korea-thursday-nov-25-2010-south-koreas-president-vowed-thursday-to-boost-troops-on-the-island-targeted-by-a-north-korean-artillery-barrage-while-the-north-stridently-warned-of-additional-attacks-if-the-south-carries-out-any-reckless-military-provocations-ap-photokim-jae-hwan-pool-2P7BY7P.jpg)
A South Korean Marine wears a helmet allegedly damaged during Tuesday's shelling by North Korea on Yeonpyeong Island, South Korea, Thursday, Nov. 25, 2010. South Korea's president vowed Thursday to boost troops
![DVIDS - Images - 2-1 Infantry Conducts Battle Drills at Korean Combat Training Center During Exercise Warrior Shield [Image 2 of 8] DVIDS - Images - 2-1 Infantry Conducts Battle Drills at Korean Combat Training Center During Exercise Warrior Shield [Image 2 of 8]](https://d1ldvf68ux039x.cloudfront.net/thumbs/photos/2303/7688076/2000w_q95.jpg)
DVIDS - Images - 2-1 Infantry Conducts Battle Drills at Korean Combat Training Center During Exercise Warrior Shield [Image 2 of 8]
![South Korean Army soldiers sit in a military truck as they move out of their operation area, along a road in Gimpo, near the Military Demarcation Line separating the two Koreas, about South Korean Army soldiers sit in a military truck as they move out of their operation area, along a road in Gimpo, near the Military Demarcation Line separating the two Koreas, about](https://c8.alamy.com/comp/2E6WK0X/south-korean-army-soldiers-sit-in-a-military-truck-as-they-move-out-of-their-operation-area-along-a-road-in-gimpo-near-the-military-demarcation-line-separating-the-two-koreas-about-30-km-18-miles-northwest-of-seoul-november-11-2009-navies-from-the-rival-koreas-exchanged-gunfire-for-the-first-time-in-seven-years-on-tuesday-damaging-vessels-on-both-sides-and-raising-tension-just-days-before-us-president-barack-obama-travels-to-asia-reutersjo-yong-hak-south-korea-politics-military-conflict-2E6WK0X.jpg)
South Korean Army soldiers sit in a military truck as they move out of their operation area, along a road in Gimpo, near the Military Demarcation Line separating the two Koreas, about
![South Korea, US to hold live-fire drills near North Korean border after mine blasts | The Straits Times South Korea, US to hold live-fire drills near North Korean border after mine blasts | The Straits Times](https://static1.straitstimes.com.sg/s3fs-public/styles/large30x20/public/articles/2015/08/12/dmz128.jpg?VersionId=iR5ZzLX.c2wsSttyYmpbhV8FkcXemtRx)
South Korea, US to hold live-fire drills near North Korean border after mine blasts | The Straits Times
![North Korea's missiles to blame for upscaled US-South Korean military drills, South says | Stars and Stripes North Korea's missiles to blame for upscaled US-South Korean military drills, South says | Stars and Stripes](https://www.stripes.com/incoming/ead9ue-020822joint-drillsphoto01.jpg/alternates/LANDSCAPE_910/020822JOINT-DRILLSphoto01.jpg)
North Korea's missiles to blame for upscaled US-South Korean military drills, South says | Stars and Stripes
![DVIDS - Images - 2-1 Infantry Conducts Battle Drills at Korean Combat Training Center During Exercise Warrior Shield [Image 1 of 8] DVIDS - Images - 2-1 Infantry Conducts Battle Drills at Korean Combat Training Center During Exercise Warrior Shield [Image 1 of 8]](https://d1ldvf68ux039x.cloudfront.net/thumbs/photos/2303/7688075/2000w_q95.jpg)
DVIDS - Images - 2-1 Infantry Conducts Battle Drills at Korean Combat Training Center During Exercise Warrior Shield [Image 1 of 8]
![North Korean soldier wearing an helmet standing in front of the United Nations conference rooms on the demarcation line in the Demilitarized Zone, North Hwanghae Province, Panmunjom, North Korea Stock Photo - North Korean soldier wearing an helmet standing in front of the United Nations conference rooms on the demarcation line in the Demilitarized Zone, North Hwanghae Province, Panmunjom, North Korea Stock Photo -](https://c8.alamy.com/comp/M0TYG0/north-korean-soldier-wearing-an-helmet-standing-in-front-of-the-united-M0TYG0.jpg)