The U.S., Japan and the Philippines will launch joint naval patrols in the South China Sea later this year, according to a U.S. official and a foreign diplomat familiar with the planning. It’s a major move to counter China in the region — and one likely to elicit a strong response from Beijing. The three-country naval maneuvers are part of a package of initiatives that President Joe Biden, Japanese Prime Minister Fumio Kishida and Philippine President Ferdinand Marcos Jr. will unveil at their first-ever trilateral summit next month, the official and the diplomat said. The White House is also expected...