'Our steps were very prudent,' Acting Defense Secretary Patrick Shanahan says of US deployment of ships, bombers to region amid intelligence warnings of Iranian attack plans

Dispatched to the Persian Gulf, the USS Abraham Lincoln has yet to enter it, possibly in a bid to calm nerves in the region

Gulf kingdom calls for emergency regional talks as tensions between Washington and Tehran spiral

American diplomats say commercial airliners face risk of being 'misidentified' as Exxon Mobil, Bahrain order staff, citizens out of Iraq over regional concerns

Diplomats say planes in region face risk of being 'misidentified,' as well as possible interference with navigation and communications equipment

American defense officials tell WSJ the guided-missile destroyers transit through the Strait of Hormuz was 'the quietest in a long time'

Each ship has a 5- to 10-foot hole near or just below water line, and American military team believes they were caused by explosive charges set by Iranians or their proxies

Riyadh says fleet of 4 vessels targeted in mysterious acts of 'sabotage' off UAE coast amid soaring tensions with Iran

US Maritime Administration urges shippers to exercise caution after earlier warning that Iran could target commercial sea traffic

Dubai doesn't assign blame and says there are no injuries, denies report that incident included explosion; tensions in region elevated amid latest US-Iran spat