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-2012，一架美国陆军 CH-47F 直升机表演战地重装备部署，参加此次基地开放日表演的还有美国空军雷鸟飞行表演队和美国陆军金骑士跳伞队以及众多民用和军用表演队。(A CH-47 Chinook takes off during a joint forces demonstration at Joint Base Elmendorf-Richardson's Arctic Thunder Open House 2012, July 28. The events included an all-star lineup, featuring the U.S. Air Force Thunderbirds F-16 Flight Demonstration Team, the U.S. Army Golden Knights Parachute Team and many other civilian and military performers.)
