美国空军第94战斗机中队4架 F-22A“猛禽”结束“红旗 17-4”联合空战演习后返回弗吉尼亚州兰利空军基地途中飞越洛基山脉。(A four-ship formation of U.S. Air Force F-22 Raptors f from the 94th Fighter Squadron and 1st Fighter Wing fly in formation over the Rocky Mountain Range in Colo., while in transit back to Joint Base Langley-Eustis, Va. after participating in Red Flag 17-4 Aug. 26, 2017.)