North Korean leader Kim Jong-un has used a Russian Aurus Senat limousine, a gift from Putin, for the first time, signaling a growing friendship between the two countries.
Kim Jong-un personally led large-scale military exercises, including the storming of border posts. He urged the army to prepare for war amid annual joint US-South Korean military exercises, which led to an escalation of tensions with South Korea.
South Korea's first military satellite has successfully transmitted high-resolution images of Pyongyang city center, including the central square and ships in the port.
North Korean military plants are operating at full capacity, supplying artillery shells to Russia in exchange for food and raw materials.
Putin gave Kim Jong Un a Russian-made car during their meeting in February, according to North Korean state media.
Between December 30 and February 7, Russia fired 24 North Korean ballistic missiles at Ukraine, killing 14 civilians.
North Korea tested a new surface-to-ship missile that flew over the Sea of Japan for more than 1,400 seconds and hit a target boat under Kim Jong-un's supervision.
The US and the Philippines conducted joint naval and air patrols in the South China Sea as part of annual military exercises, with a US general saying that this does not affect America's focus on the conflicts in Ukraine and the Middle East.
Kim Jong-un threatened to destroy South Korea and called it the "main enemy" during a speech in honor of the founding of the North Korean army.
North Korea votes to cancel all economic agreements with South Korea and repeal laws governing economic cooperation between the two countries.
Russian natural gas producer Novatek is setting up a new marketing team in China to sell gas from its Arctic LNG-2 project and circumvent US sanctions.
North Korea launched several cruise missiles off its west coast on Friday, the fourth such launch in the past week, according to the South Korean military.
Kim Jong-un toured the shipyard and emphasized the importance of strengthening the navy to prepare for war after North Korea tested new submarine-launched cruise missiles.
North Korea has confirmed that it has successfully tested a Hwasal-2 strategic cruise missile off its west coast to improve its strategic attack skills and test its rapid response capabilities.
North Korea has successfully tested cruise missiles by launching them from a submarine. North Korean leader Kim Jong-un expressed satisfaction with the successful outcome of the test.