北部边缘-2009 联合演习中，美国空军第90战斗机中队（90FS）一架 F-22A 战斗机在埃尔门多夫空军基地向跑道滑行。（An F-22 Raptor stealth fighter from the 90th Fighter Squadron taxis to the runway June 17, 2009, during Exercise Northern Edge 09 at Elemendorf Air Force Base, Alaska. Northern Edge, Alaska largest military training exercise, prepares joint forces to respond to crises throughout the Asia-Pacific region.）

北部边缘-2009 联合演习中，美国空军第90战斗机中队（90FS）一架 F-22A 战斗机在埃尔门多夫空军基地滑行。（An F-22 Raptor stealth fighter from the 90th Fighter Squadron taxis to the runway June 17, 2009, during Exercise Northern Edge 09 at Elemendorf Air Force Base, Alaska. Northern Edge, Alaska largest military training exercise, prepares joint forces to respond to crises throughout the Asia-Pacific region.）

美国阿拉斯加州埃尔门多夫空军基地，北部边缘-2009 联合演习中，美国空军第90战斗机中队（90FS）飞行员在飞行前检查他的 F-22A 战斗机。（U.S. Air Force Lt. Col. John Hillyer conducts preflight checks on his F-22 Raptor stealth fighter June 17, 2009, during Exercise Northern Edge 09 at Elmendorf Air Force Base, Alaska. Northern Edge, Alaska's largest military training exercise, prepares joint forces to respond to crises throughout the Asia-Pacific region.）

美国阿拉斯加州埃尔门多夫空军基地，北部边缘-2009 联合演习中，美国空军第90战斗机中队（90FS）一架 F-22A 战斗机准备出动。（U.S. Air Force Lt. Col. John Hillyer prepares for a mission in the cockpit of his F-22 Raptor stealth fighter June 17, 2009, during Exercise Northern Edge 09 at Elmendorf Air Force Base, Alaska. Northern Edge, Alaska's largest military training exercise, prepares joint forces to respond to crises throughout the Asia-Pacific region.）

美国阿拉斯加州埃尔门多夫空军基地，北部边缘-2009 联合演习中，美国空军第422测试与评估中队（422TES）一架 F-22A 战斗机在跑道上滑行。（An F-22 Raptor stealth fighter from the 90th Fighter Squadron taxis to the runway June 17, 2009, during Exercise Northern Edge 09 at Elmendorf Air Force Base, Alaska. Northern Edge, Alaska largest military training exercise, prepares joint forces to respond to crises throughout the Asia-Pacific region.）

北部边缘-2006 联合演习中，美国空军第27战斗机中队（弗吉尼亚州兰利空军基地，27FS）一架 F-22A 战斗机降落在埃尔门多夫空军基地。（An F-22 Raptor taxis after landing at Elmendorf Air Force Base, Alaska, on Tuesday, May 23, 2006. Raptors from the 27th Fighter Squadron at Langley AFB, Va., are supporting Exercise Northern Edge 2006. The Air Force has selected Elmendorf as the home for the next operational F-22 squadron. The base will receive 36 Raptors, with the first jet expected in fall 2007.）

北部边缘-2006 联合演习中，美国空军第27战斗机中队（弗吉尼亚州兰利空军基地，27FS）一架 F-22A 战斗机降落在埃尔门多夫空军基地。（An F-22 Raptor lands at Elmendorf Air Force Base, Alaska, on Tuesday, May 23, 2006. Raptors from the 27th Fighter Squadron at Langley AFB, Va., are supporting Exercise Northern Edge 2006. The Air Force selected Elmendorf as the home for the next operational F-22 squadron. The base will receive 36 Raptors, with the first jet expected in fall 2007.）

北部边缘-2006 联合演习中，美国空军第27战斗机中队（弗吉尼亚州兰利空军基地，27FS）一架 F-22A 战斗机在埃尔门多夫空军基地进行飞行后检查。（A crew chief with the 1st Fighter Wing from Langley Air Force Base, Va., directs an F-22 Raptor as it taxis down the runway after completion of its mission during Exercise Northern Edge 2006, on Wednesday, June 7, 2006. The joint training exercise, which runs from June 5 to 16 and is hosted by Alaskan Command, is one of a series of U.S. Pacific Command exercises that prepare joint forces to respond to crises in the Asian Pacific region.）

北部边缘-2006 联合演习中，美国空军第27战斗机中队（弗吉尼亚州兰利空军基地，27FS）二架 F-22A 战斗机和加油机编队飞越阿拉斯加。（OVER ALASKA -- Two F-22A Raptors from the 27th Fighter Squadron, Langley Air Force Base, Virginia fly in formation with a KC-135R Stratotanker from the 168th Air Refueling Wing, Alaska Air National Guard, on 9 June during exercise Northern Edge. Northern Edge 2006 is a joint training exercise hosted by Alaskan Command and is one of a series of U.S. Pacific Command exercises that prepare joint forces to respond to crises in the Asian Pacific region.）

北部边缘-2006 联合演习中，美国空军第27战斗机中队（弗吉尼亚州兰利空军基地，27FS）一架 F-22A 战斗机完成空中加油后飞离加油机。（OVER ALASKA -- An F-22A Raptor from the 27th Fighter Squadron, Langley Air Force Base, Virginia pulls away from a KC-135R Stratotanker from the 168th Air Refueling Wing, Alaska Air National Guard, on 9 June during exercise Northern Edge. Northern Edge 2006 is a joint training exercise hosted by Alaskan Command and is one of a series of U.S. Pacific Command exercises that prepare joint forces to respond to crises in the Asian Pacific region.）