Sources: NK News
The defense ministers of Japan, South Korea, and the United States agree to initiate a real-time data sharing mechanism to monitor North Korea's missile tests. 2023-11-12
North Korea launches a military satellite from the Sohae Satellite Launching Station. The launch fails due "to an error in the emergency blasting system during the third-stage flight", according to state media, with the satellite likely crashing into the Pacific Ocean after passing over Okinawa Prefecture, Japan. 2023-08-23
North Korea fires two short-range projectiles from the coast of Wonsan before landing in the sea dividing the Korean Peninsula and Japan. Japan's Defence Ministry says it had not detected any projectile landing in its territory and that no ship or aircraft in the area had been damaged. 2020-03-2
North Korea tests two new missiles that land in the Sea of Japan, though not within Japanese territory. Japanese Defense Minister Takeshi Iwaya condemns the testing as "extremely regrettable". 2019-07-25
U.S. Ambassador to the United Nations Nikki Haley says North Korea's launch of a missile over Japan was "absolutely unacceptable and irresponsible" and that North Korea has "violated every single U.N. Security Council resolution that we've had, and so I think something serious has to happen." 2017-08-29
North Korea fires a Hwasong-12 ballistic missile which flies 2,700 km, passing over Hokkaido, northern Japan, prompting the activation of the nationwide J-Alert warning system. This is first time since 2009 that a North Korean missile has passed over Japanese territory. 2017-08-29
Japan orders its military to shoot down any North Korean missiles that threaten to strike Japan at anytime, and is placing its forces on a state of alert for at least three months, according to a Ministry of Defense official. 2016-08-8
Japan places its military on alert over a possible North Korean ballistic-missile launch after detecting "increased activity" at a North Korean missile site. Japan's Minister of Defense, Gen Nakatani, has ordered Kongō-class destroyers stationed in the Sea of Japan, equipped with Aegis combat systems, to target any North Korean projectiles heading for Japan. 2016-01-29
Japan goes on full alert as North Korea announces it has delayed its launch of a long range Unha rocket until 29 December. 2012-12-10
South Korea's Yonhap news agency reports that North Korea has installed an Unha rocket at its Dongchang-ri launch site. Japan is threatening to shoot down the rocket if it manages to stay airborne and threaten Japanese territory. 2012-12-3