Commercial satellite imagery taken recently showed new activities at a North Korean missile test site where the country tested prototype submarine-launched ballistic missiles through 2016, according to a U.S. institute's analysis released Thursday.The imagery of the Sinpo South Shipyard in the eastern region last Saturday suggests a heavy-lift crane was deployed near a missile test stand used between 2014 and 2016 for verification of SLBM launch systems, the U.S.-Korean Institute of Johns Hopkins University said on its North Korea analysis website, 38 North.A 13-meter-long flatbed truck cou…READ FULL ARTICLE