Acting Secretary of Defense Pat Shanahan said the steps taken to bolster the U.S. military presence in the Middle East have deterred Iran and “put on hold the potential for attacks on Americans,” even as Iran carried out other attacks.

Russian troops serving in the Baltic fleet in Kaliningrad have staged military drills as the strategic region is becoming an increasingly contested space between Russia and NATO.

Turkish President Recep Tayyip Erdogan has again insisted he will go through with the purchase of S-400 defense systems from Russia and will also cooperate with Moscow on producing S-500 systems in the future, despite U.S. pressure against the deals.