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A visitor tries a rifle displayed at the International Defense Exhibition and Conference in Abu Dhabi, the United Arab Emirates, Feb. 21, 2019. The United Arab Emirates (UAE) awarded 104 defense contracts worth 20 billion dirhams (5.45 billion U.S. dollars) during the International Defence Exhibition and Conference (IDEX 2019) ending on Thursday. (Xinhua/Mohamad Badreddine)