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美国阿拉斯加州埃尔门多夫-理查森联合基地，北极雷霆开放日-2014，美国空军雷鸟飞行表演队一架 F-16DM 战斗机正在起飞准备表演。北极雷霆是埃尔门多夫-理查森联合基地（JBER）举办的两年一度航空展，此次开放日航展共有40个军用和民用航空团体参加，观众超过20万人。(An U.S. Air Force F-16 Fighting Falcon fighter jet with the aerial demonstration team "Thunderbirds" prepares to land during the Arctic Thunder Open House July 26, 2014, Arctic Thunder Open House is a biennial event hosted by Joint Base Elmendorf-Richardson, Alaska. Featuring more than 40 Air Force, Army and civilian aerial acts and an expected crowd of more than 200,000 people, it is the largest two-day event in the state and one of the premier aerial demonstrations in the world. The 2014 Arctic Thunder Open House is a proud part of the Anchorage Centennial Celebration.)