![ISRAEL-UVDA AIR BASE-AIR FORCES DRILL](136743211_13126922661n.jpg)
An Israeli F-15 jet fighter takes off from the Uvda air base during an international air force exercise in Israel, on Nov. 8, 2017. Hundreds of pilots from eight different countries gathered recently in Israel's Uvda air base to join the largest international air force exercise ever conducted in the country. (Xinhua/Guo Yu)