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西部绿旗 15-8 联合空地攻击演习中，美国空军第7行动大队（德克萨斯州戴斯空军基地，7OG）一架 B-1B 轰炸机从内利斯空军基地起飞执演。（A B-1 Lancer assigned to the 7th Operations Group, Dyess Air Force Base, Texas, takes off during Green Flag 15-08 at Nellis Air Force Base, Nev., June 12, 2015. Green Flag is a realistic air-to-surface training exercise preparing joint and coalition warfighters for future real-world operations.）