常洛闻：赴美示忠？赴日示好？李在明想要端平这碗水没那么容易

Group 1 - South Korean President Lee Jae-myung's visit to Japan and the United States signals a shift in diplomatic relations, breaking the traditional order of visits [1][2] - The visit includes meetings with Japanese Prime Minister Kishida Fumio and U.S. President Trump, emphasizing the importance of U.S.-Korea relations amidst previous tensions [1][5] - The investment in the Philadelphia shipyard is part of a broader strategy to enhance U.S.-Korea military cooperation and economic ties, particularly in shipbuilding [2][5] Group 2 - The shipyard investment is linked to the "Make American Shipbuilding Great Again" initiative, highlighting the collaboration between South Korean and American shipbuilding industries [2][5] - Data from Clarksons indicates that South Korea's shipbuilding order backlog is lower than China's, suggesting potential challenges in future order acquisition [4] - The diplomatic approach towards Japan reflects a desire for improved relations, despite historical tensions, with Lee advocating for practical diplomacy [8][12] Group 3 - The ongoing military exercises and joint operations with the U.S. and Japan indicate a commitment to regional security, despite Lee's left-leaning political background [9][11] - Lee's administration aims to balance relations with the U.S. and Japan while seeking a path towards reconciliation with North Korea, which remains a complex challenge [12]