In this picture downloaded from the US Navy website and taken on September 23, 2013, an F/A-18E Super Hornet attached to Strike Fighter Squadron (VFA) 31 (L), and an F/A-18F Super Hornet, attached to Strike Fighter Squadron (VFA) 213, prepare to launch from the flight deck of the aircraft carrier USS George H.W. Bush (CVN 77) in the Arabian Gulf, to conduct strike missions against Islamic State (IS) group targets . The United States and Arab allies launched strikes from the air and sea against Islamic State militants in Syria, opening a new front in the battle against the brutal jihadist group. AFP PHOTO/NAVY MEDIA CONTENT SERVICES/HO/ Robert Burck
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