An F/A-18E Super Hornet of Strike Fighter Squadron (VFA-31) comes in to land onboard the flight deck of the aircraft carrier USS George H.W. Bush (CVN 77), in the Gulf August 12, 2014. Planes have been taking off from the aircraft carrier to strike key positions taken over by the Islamic State fighters in Iraq. US President Barack Obama has authorised air strikes to confront the Islamist fighters in various cities of Iraq. Reuters/Hamad I Mohammed