The D Brief: Reports: Caine has concerns; USAF mobility chief; Senators seek boat-strike info; Arrest in China-training case; And a bit more.

Joint Chiefs Chairman Gen. Dan Caine is concerned the White House’s National Defense Strategy “underplayed the threat posed by China and the U.S. military’s need to prepare for a potential future conflict in the Indo-Pacific,” CNN reported Wednesday. “Caine hand-delivered memos to [Defense Secretary Pete] Hegseth and the Pentagon’s policy chief Elbridge Colby outlining his disagreements over the new National Defense Strategy that Colby’s office had