SEOUL - The top leader of the Democratic People's Republic of Korea has made multiple military inspections lately concerning the country's artillery force training, navy construction and weapons production, state media said on Sunday.

Kim Jong-un, general secretary of the Workers' Party of Korea and president of the State Affairs of the DPRK, on Friday inspected O Jin U Artillery Academy, a major center for training the country's artillery commanding officers, during which he asked the academy officers to get well versed in artillery tactics and modern military hardware and equipped with full combat command capabilities of "rapidly, fully and overwhelmingly containing and wiping out the enemy in any situation of modern warfare," the official Korean Central News Agency (KCNA) reported.

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According to another two KCNA dispatches on Sunday, the DPRK leader made a field survey on the construction of a modern naval base and guided the country's shipbuilding work.

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Kim called it an urgent task to build a modern port city as a symbol of the DPRK naval force and a center of naval operational command and navy culture.

He also stressed the strengthening of naval force as the most important matter in defending the country's maritime sovereignty and stepping up war preparedness, the KCNA said.

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Separately, during a visit to a defense industrial enterprise under the Second Economy Commission, Kim learned about the production of military hardware in the second half of this year, as he emphasized the need to raise the modernization level of munitions production and thoroughly guarantee the combat performance of military hardware, the KCNA reported.