Xi’s message made no mention of current disputes with the U.S. on a range of issues.
The move is part of the island's defense strategy at a time of elevated tensions with China.
Prosecutors have stopped trying to prove that an indicted Navy officer was part of a Chinese CEO's smuggling conspiracy.
Critics complain that Beijing has urged other countries to reach arms control agreements while refusing to take part.
Rear Adm. Michael Studemen's visit would not be the first by a high-ranking U.S. official to Taiwan this year.
The United States should boost its military presence in the Indo-Pacific region with a new numbered fleet, he said.
Most leaders of major countries rushed to offer their personal congratulations to Biden.
The U.S. is disputing reports that Marine special operators are spending a month in Taiwan to train local forces.
Leathernecks will be getting in on the undersea fight north of Norway and in the Western Pacific.
The retired Navy rear admiral and former U.S. ambassador to Norway said that Americans' basic freedoms could be at risk.
New soldiers at Fort Sill were the first to graduate Army Basic Combat Training wearing the service's new Army Greens.
Air Force 1st Lt. Kenneth "Kage" Allen was killed.
Soldiers offered feedback on the Army's futuristic new IVAS technology.
The Defense Department is predicting flat or declining budgets in future years.
Preparations are underway across the Departments of Defense and Veterans Affairs to receive doses of a COVID-19 vaccine.