A South Korean man watches a TV news reporting missile launch conducted by North Korea, at a Seoul Train Station in Seoul, South Korea, Saturday, May 18, 2013. North Korea fired three short-range guided missiles into its eastern waters on Saturday, a South Korean official said. It routinely tests such missiles, but the latest launches came during a period of tentative diplomacy aimed at easing tensions. The letters at a screen read " Fired three short-range guided missiles." (AP Photo/Ahn Young-joon)

A South Korean man watches a TV news reporting missile launch conducted by North Korea, at a Seoul Train Station in Seoul, South Korea, Saturday, May 18, 2013. North Korea fired three short-range guided missiles into its eastern waters on Saturday, a South Korean official said. It routinely tests such missiles, but the latest launches came during a period of tentative diplomacy aimed at easing tensions. The letters at a screen read " Fired three short-range guided missiles." (AP Photo/Ahn Young-joon)