in 2006, 2009, April and December 2012, and February 2016. Starting in 2012, North Korea released footages showing the ICBM-class KN-08 on three occasions and KN-14 on one occasion. To flaunt its various delivery capabilities, North Korea released images of various tests conducted since March 2016, including a simulated test of its warhead re-entry technology, solid-fuel rocket engine test, and a ground test of an ICBM engine. Between April and October 2016, North Korea conducted eight test-launches of Musudan missiles, of which only one was estimated to have been partially successful. North Korea is continuing with its development of SLBMs, releasing footages of test launches four times between May 2015 and August 2016. North Korea is expected to SLMB launch (april 2016) heavily invest in SLBMs at the regime level to prepare for additional test-launches and build submarine operation capabilities. The types of ballistic missiles currently in North Korea’s inventory are shown in <Chart 1-8>. <Chart 1-8> Types of north Korean Ballistic Missiles Alaska Russia north Korea scud-C 500km scud-eR 1,000km nodong 1,300km China Washington LA Japan Guam Pacific Ocean Australia Musudan: More than 3,000km Taepodong-2: More than 10,000km Section 3 North Korean Situation and Military threats 33 Chapter 1 tinental U.S., North Korea test-launched a Taepodong-1 in 1998, and Taepodong-2 missiles