South Korea and Japan have pushed to repair ties since Yoon Suk-yeol took office, and those efforts are beginning to show concrete results: The two sides will link their radar systems via the U.S. to share real-time data on North Korean missiles, and they are also reportedly working with Washington to establish a trilateral missile warning consultation group.

The nature of the arrangement remains fuzzy as neither Seoul nor Tokyo has revealed exact details, but it’s clear that the introduction of a real-time information sharing system will significantly enhance trilateral efforts to defend against threats