Low-key US-S Korea military drills ahead of N Korea summits

A U.S. Air Force F-16 fighter jet, bottom, lands at the Osan U.S. Air Base in Pyeongtaek, South Korea, Tuesday, March 20, 2018. At a potentially pivotal moment of diplomacy with North Korea, the Pentagon said Monday that annual U.S.-South Korean military exercises that had been postponed for the Pyeongchang Winter Olympics will begin April 1. (Hong Gi-won/Yonhap via AP)
U.S. Air Force F-16 fighter jets land at the Osan U.S. Air Base in Pyeongtaek, South Korea, Tuesday, March 20, 2018. At a potentially pivotal moment of diplomacy with North Korea, the Pentagon said Monday that annual U.S.-South Korean military exercises that had been postponed for the Pyeongchang Winter Olympics will begin April 1. (Hong Gi-won/Yonhap via AP)
South Korean Defense Ministry's spokeswoman Choi Hyun-soo speaks during a press briefing at the Defense Ministry in Seoul, South Korea, Tuesday, March 20, 2018. At a potentially pivotal moment of diplomacy with North Korea, the Pentagon said Monday that annual U.S.-South Korean military exercises that had been postponed for the Pyeongchang Winter Olympics will begin April 1. (AP Photo/Ahn Young-joon)
FILE - In this March 25, 2015, file photo, U.S. Army soldiers from the 25th Infantry Division's 2nd Stryker Brigade Combat Team and South Korean soldiers take their position during a demonstration of the combined arms live-fire exercise as a part of the annual joint military exercise Foal Eagle between South Korea and the United States at the Rodriquez Multi-Purpose Range Complex in Pocheon, north of Seoul, South Korea. The Pentagon says the annual U.S.-South Korean military exercises that had been postponed for the Pyeongchang Winter Olympics will begin April 1. (AP Photo/Lee Jin-man, File)

Low-key US-S Korea military drills ahead of N Korea summits

A U.S. Air Force F-16 fighter jet, bottom, lands at the Osan U.S. Air Base in Pyeongtaek, South Korea, Tuesday, March 20, 2018. At a potentially pivotal moment of diplomacy with North Korea, the Pentagon said Monday that annual U.S.-South Korean military exercises that had been postponed for the Pyeongchang Winter Olympics will begin April 1. (Hong Gi-won/Yonhap via AP)
U.S. Air Force F-16 fighter jets land at the Osan U.S. Air Base in Pyeongtaek, South Korea, Tuesday, March 20, 2018. At a potentially pivotal moment of diplomacy with North Korea, the Pentagon said Monday that annual U.S.-South Korean military exercises that had been postponed for the Pyeongchang Winter Olympics will begin April 1. (Hong Gi-won/Yonhap via AP)
South Korean Defense Ministry's spokeswoman Choi Hyun-soo speaks during a press briefing at the Defense Ministry in Seoul, South Korea, Tuesday, March 20, 2018. At a potentially pivotal moment of diplomacy with North Korea, the Pentagon said Monday that annual U.S.-South Korean military exercises that had been postponed for the Pyeongchang Winter Olympics will begin April 1. (AP Photo/Ahn Young-joon)
FILE - In this March 25, 2015, file photo, U.S. Army soldiers from the 25th Infantry Division's 2nd Stryker Brigade Combat Team and South Korean soldiers take their position during a demonstration of the combined arms live-fire exercise as a part of the annual joint military exercise Foal Eagle between South Korea and the United States at the Rodriquez Multi-Purpose Range Complex in Pocheon, north of Seoul, South Korea. The Pentagon says the annual U.S.-South Korean military exercises that had been postponed for the Pyeongchang Winter Olympics will begin April 1. (AP Photo/Lee Jin-man, File)