North Korea has reportedly detained shipyard officials responsible for a recent failed launch of a 5,000-ton North Korean naval destroyer, leaving the warship damaged.

North Korea also received a Pantsir-class combat vehicle, electronic warfare jamming devices and other military equipment to bolster Kim’s defense systems, according to the report.

Russia’s war against Ukraine has brought Mr. Kim a military bonanza. It gave North Korea opportunities to test its weapons and troops, and to gain valuable insights into modern warfare. Its ...