A US Marine Cobra helicopter participates in the “Eager Lion” military exercises at al-Quwiera near Aqaba city, 290 km (180 miles) south of Amman, on June 19, 2013. Some 8,000 personnel from 19 different nations are participating in the exercise in Jordan from June 9 to June 20, according to officials. AFP PHOTO/KHALIL MAZRAAWI (Photo credit should read KHALIL MAZRAAWI/AFP via Getty Images)