A man watches a TV news program showing an image, published in North Korea's Rodong Sinmun newspaper, of North Korean leader Kim Jong Un at the country's Sohae launch site, at Seoul Railway station in Seoul, South Korea, Sunday, March 19, 2017. North Korea has conducted a ground test of a new type of high-thrust rocket engine that leader Kim Jong Un is calling a revolutionary breakthrough for the country's space program. The letters read " New type engine." (AP Photo/Ahn Young-joon)

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