The air activity of U.S. forces has increased significantly in the region tonight; this comes as reports have been published of the possibility that Iraqi and Yemeni groups may be preparing to carry out attacks.

• 2 tanker aircraft near Iraq. • 1 tanker aircraft over Saudi Arabia. 1 tanker aircraft over the Persian Gulf. 1 tanker aircraft on the route to the Persian Gulf. 1 E-3G early warning aircraft.