Defense expert Cameron Chell called Iran's military moves a "calculated escalation" as U.S. MQ-9 Reaper drones with strike capabilities were reportedly spotted in the region.

As Trump pressures Iran, he's spoken of an "armada" heading for the Mideast, but there's another massive movement of American fire power in the air.

US President Donald Trump delivered his latest ultimatum to Iran on Thursday during a meeting of the Board of Peace, the Middle East coalition Trump formed to stabilise a region he could soon plunge into a new, weeks-long war.

The U.S. has launched a major military buildup in the Middle East is it threatens Iran with potential military strikes.

Rarely in modern times has the United States prepared to conduct a major act of war with so little explanation or public debate.

As the United States continues a significant military buildup in the Middle East, Iran has taken steps to signal its readiness for war, including fortifying its nuclear sites and rebuilding missile production facilities.

Oil ⁠rose as the U.S. and Iran attempted to ease a standoff in talks over Tehran's nuclear program while ​both sides heightened military activity in ​the key oil-producing region.

Oil futures edged higher in early Asian trade amid ongoing U.S.-Iran tensions that could lead to supply disruptions.