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红旗 - 阿拉斯加 17-2 联合空战演习，美国空军 HH-60G 直升机在战斗搜救任务中飞越山区。（A U.S. Air Force HH-60G Pave Hawk flies over mountainous terrain while participating in a Combat Search and Rescue scenario during RED FLAG-Alaska 17-2 June 20, 2017, at Eielson Air Force Base, Alaska. RED FLAG-Alaska provides an optimal training environment in the Indo-Asia Pacific Region and focuses on improving ground, space, and cyberspace combat readiness and interoperability for U.S. and international forces.）