North Korean leader Kim Jong Un has pledged to continue the country’s development of military spy satellites despite Monday’s failure to put another into orbit, saying the possession of space reconnaissance capabilities is “inevitable” to protect Pyongyang’s sovereignty, according to state-run media. During his visit Tuesday to the Academy of Defense Sciences to mark the 60th anniversary of its founding, Kim said the recent satellite launch failed “due to the self-destruct system” triggered by “an abnormality in the first stage engine,” according to the official Korean Central News Agency. He …