Chinese and Russian warships cruised off the coast of Japan last week, coinciding with the end of a major U.S. military exercise involving two aircraft carriers 2,000 miles away. Valiant Shield, a 12-day naval exercise in the eastern Philippine Sea near Guam, ended Friday with the sinking of a decommissioned …

An unidentified airman has been arrested in connection with an attack using explosives in April on a small U.S. military base in Syria that wounded four American service members, Air Force officials said Tuesday. “As part of an ongoing investigation, on June 16, an airman was taken into custody stateside …

Kremlin threats of retaliation against NATO ally Lithuania for instituting a transit ban over the weekend that affects Russia’s exclave of Kaliningrad could have serious implications for several hundred U.S. soldiers positioned in nearby northeastern Poland. For years, security analysts have feared that in the event of a crisis with …