U.S. Navy MH-60S Seahawk helicopter assigned to Helicopter Sea Combat Squadron (HSC) 9 lands on the flight deck of the aircraft carrier USS George H.W. Bush (CVN 77) in the Persian Gulf as the aircraft carrier USS Carl Vinson (CVN 70), background, pulls alongside Oct. 18, 2014, as the ships support Inherent Resolve. The Carl Vinson relieved the George H.W. Bush in the U.S. 5th Fleet area of responsibility. President Barack Obama authorized humanitarian aid deliveries to Iraq as well as targeted airstrikes to protect U.S. personnel from extremists known as the Islamic State in Iraq and the Levant. U.S. Central Command directed the operations.