提 要 朝鮮半島局勢長期處於不穩定的狀態，與北韓歷任領導人往往跳脫國際體系行為之常規，形成區域關係張弛的最大變數有絕對的關係。北韓第三代領導人金正恩（Kim Jung-Un）接班未及半年，即挑戰與美國達成的協議，不顧國際社會反對，於2012年4月13日清晨發射一枚名為「銀河3號（Galaxy-3）」長程火箭。本文試瞭解其發射長程火箭之目的與戰略意涵，作為事件後續觀察之重點以及我因應之參考。

Abstract Korean Peninsula has long been under unstable situation. It is primarily due to successive North Korean leaders having been in contradiction of international norms and therefore caused fluctuation in the region. Taking office less than a half year, the new North Korean leader, Jin Jung-Un, is challenging his agreement with the U.S. Against international opposition, North Korean launched a Galaxy-3 long-range ballistic missile on April 13,2012.This study attempt to explore North Korean’s satellite-launch and its purpose and strategic implication, so as to develop following observation focuses and understand how Taiwan can respond to this event.