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An Emirati Boeing CH-47 Chinook takes off during an exercise at an Emirati military base home to a Military Operations in Urban Terrain facility in al-Hamra, United Arab Emirates, Monday, March 23, 2020. The U.S. military held the major exercise Monday with Emirati troops in the UAE's far western desert at a facility designed to look like a Mideast city amid ongoing tensions with Iran. (AP Photo/Jon Gambrell)