Japan, U.S., S. Korea leaders to make 3-way ties more durable

The leaders of Japan, the United States and South Korea will agree Friday on a range of initiatives to make their framework of cooperation more durable, leveraging the benefits of the recent rapprochement between the two Asian neighbors amid China’s growing clout and North Korea’s escalating threat.

The initiatives will include holding a trilateral summit at least once a year, carrying out joint defense drills more frequently, bolstering supply chains for semiconductors and other key industrial items, and working closely on emerging technologies such as artificial intelligence, according to se...