Troop deployments

FILE - In this July 4, 2017, file photo, a U.S. highly advanced missile defense system called Terminal High Altitude Area Defense, or THAAD, is seen at a golf course in Seongju, South Korea. The U.S. has deployed THAAD in Israel for the first time, the American and Israeli militaries announced, reflecting their shared concerns about Iran's development of powerful missiles. An Israeli army spokesman, told reporters that a THAAD battery, flown in from the U.S. and Europe, arrived Monday, March 4, 2019, at an air force base in southern Israel. (Kim Jun-beom/Yonhap via AP, File)

Russian President Vladimir Putin delivers a state-of-the-nation address in Moscow, Russia, Wednesday, Feb. 20, 2019. Putin said Russia needs to focus on raising living standards. (AP Photo/Alexander Zemlianichenko)

South Korean Foreign Minister Kang Kyung-wha, right, and Timothy Betts, acting Deputy Assistant Secretary and Senior Advisor for Security Negotiations and Agreements in the U.S. Department of State, shake hands for the media before their meeting at Foreign Ministry in Seoul, South Korea, Sunday, Feb. 10, 2019. (AP Photo/Lee Jin-man, Pool)

A woman with a wounded leg during clashes between protestors and police, is transported in a wheelbarrow, during protests over fuel hikes in Harare, Zimbabwe, Monday, Jan. 14, 2019. Zimbabwean police on Monday fired tear gas in suburbs of the capital an attempt to disperse angry demonstrators who burned tires and threw stones to protest fuel price hikes. (AP Photo/Tsvangirayi Mukwazhi)

This photo released on the Facebook page of the Military Council of Manbij City, shows U.S. troops based around the Syrian town of Manbij speaking with residents, in northern Syria, Sunday, Dec. 23, 2018. (The Military Council of Manbij City via AP)

FILE - In this Oct. 24, 2018 file photo, then Prime Minister-designate Adel Abdul-Mahdi, center, arrives to the parliament building, in the heavily guarded Green Zone, in Baghdad, Iraq. Abdul-Mahdi told reporters at a press conference on Monday, Dec. 24, 2018, that his government could deploy troops inside Syria, in the latest fallout from the U.S. decision to withdraw from the war-torn country. The prime minister said his government is "considering all the options" to protect Iraq from threats across its borders. (AP Photo/Hadi Mizban, File)

Bangladeshi policemen check the bags of commuters in Dhaka, Bangladesh, Monday, Dec. 24, 2018. Thousands of army soldiers are being deployed across Bangladesh to provide security and help conduct national elections next Sunday. The soldiers are setting up camps in 389 areas and navy personnel are fanning out across the coast, according to the statement. (AP Photo)

FILE - In this Aug, 1, 2018 file photo, soldiers patrol the streets in Harare, Zimbabwe, following demonstrations by opposition party supporters. Zimbabwe Military and police were responsible for killing six people when they intervened to stop post election election protests in the capital in August, according to a report by a commission of inquiry released Tuesday, Dec. 18, 2018. (AP Photo/Tsvangirayi Mukwazhi)