President Donald Trump reaffirmed the U.S.–Japan alliance in a telephone call with Japanese Prime Minister Sanae Takaichi on May 15, hours after concluding two days of meetings with Chinese leader Xi Jinping in Beijing. Trump joined the call from aboard Air Force One. The conversation began at 7:30 p.m. Tokyo time, lasting about 15 minutes, according to Japan’s Ministry of Foreign Affairs. The ministry said Trump gave Takaichi a detailed explanation of his China visit, and that the two leaders exchanged views on China-related economic and security issues, including economic security, as well as developments in the Indo–Pacific. Takaichi told reporters that she and Trump reaffirmed an “ironclad” bilateral alliance and agreed to maintain close communication on Indo-Pacific issues. She said Trump briefed her on his China visit on the condition that their conversation remain confidential....