BBC Verify is looking into the US military build-up in the Gulf after the American military’s Central Command confirmed the aircraft carrier USS Abraham Lincoln had arrived in the region. Our team is checking what can be seen on aircraft and ship tracking as well as satellite imagery.

If, when and how is unclear. But the clock appears to be ticking.

The aircraft used in the US military’s first strike on an alleged drug boat in the Caribbean, a strike which has drawn intense scrutiny and resulted in numerous Congressional briefings, was painted as a civilian aircraft and was part of a closely guarded classified program,

India, Jan. 27 -- The Arabian Sea tensions are no longer hypothetical. The standoff between Washington and Tehran has entered a clearly muscular phase as the USS Abraham Lincoln carrier strike group approaches Iran's strategic orbit.

The Trump administration has been hounded with allegations that its ongoing strike campaign against alleged drug boats have violated the laws of war

The United States has deployed significant military assets to the Middle East, increasing pressure on Iran and raising the risk of a conflict that could engulf the wider region.

The Navy completed a demonstration of its manned-unmanned teaming capabilities to further the development of its Collaborative Combat Aircraft (CCA) initiative, Naval Air Systems Command announced Monday.

The aircraft carrier USS Abraham Lincoln and several guided-missile destroyers have crossed into the Middle East region, which comes under the US military's Central Command