北部边缘-2009 联合演习中，美国空军一架来自路易斯安那州巴克斯代尔空军基地的 B-52H 轰炸机从阿拉斯加州艾尔森空军基地起飞执演。（EIELSON AIR FORCE BASE, Alaska -- A B-52H Stratofortress takes off from Eielson AFB during NORTHERN EDGE 2009, June 23. NE09 participants will practice tactics, techniques, and procedures associated with defensive counter-air, close air support, and personnel-recovery missions. The B-52 is assigned to Barksdale AFB, Louisiana.）

美国空军第325轰炸机中队（密苏里州怀特曼空军基地，325BS）一架 B-2A 隐形轰炸机在“北部边缘-2002”联合演习中。（A US Air Force (USAF) B-2 "Spirit," aircraft assigned to the325th Bomb Squadron (BS) flies a mission in support of Exercise NORTHERN EDGE 2002.）

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.）

红旗 15-2 联合空战演习中，美国空军一架 B-1B 轰炸机在内利斯空军基地维护。（Two crew chiefs assigned to the 28th Aircraft Maintenance Squadron, Ellsworth Air Force Base, S.D., prep a B-1B Lancer for flight during Red Flag 15-2 at Nellis AFB, Nev., March 10, 2015. Red Flag is a realistic combat exercise involving U.S. and allied air forces conducting training operations on the 15,000 square mile Nevada Test and Training Range.）

红旗 15-2 联合空战演习中，美国空军第37轰炸机中队（37BS）一架 B-1B 轰炸机从内利斯空军基地起飞。（A B-1B Lancer assigned to the 37th Bomb Squadron, Ellsworth Air Force Base, S.D., flies during Red Flag 15-2 sortie at Nellis AFB, Nev., March 10, 2015. The B-1 can rapidly deliver massive quantities of precision and non-precision weapons against any adversary, anywhere in the world, at any time.）

红旗 15-2 联合空战演习中，美国空军第37轰炸机中队（37BS）二架 B-1B 轰炸机在内利斯空军基地滑行。（Two B-1B Lancers assigned to the 37th Bomb Squadron, Ellsworth Air Force Base, S.D., taxi during Red Flag 15-2 at Nellis AFB, Nev., March 10, 2015. Red Flag provides a series of intense air-to-air scenarios for aircrew and ground personnel to increase their combat readiness and effectiveness for future real-world operations.）

红旗 15-2 联合空战演习中，美国空军第37轰炸机中队（37BS）一架 B-1B 轰炸机从内利斯空军基地起飞执演。（A B-1B Lancer assigned to the 37th Bomb Squadron, Ellsworth Air Force Base, S.D., takes off during Red Flag 15-2 from Nellis Air Force Base, Nev., March 3, 2015. The U.S. Air Force’s premier exercise provides aircrews and ground crews the opportunity to experience realistic, stressful combat situations in a controlled environment to increase their combat readiness and effectiveness.）

红旗 15-2 联合空战演习中，美国空军第23轰炸机中队（23BS）一架 B-52H 轰炸机从内利斯空军基地起飞执演。（A B-52H Stratofortress assigned to the 23rd Bomb Squadron, Minot Air Force Base, N.D., takes off during Red Flag 15-2 from Nellis Air Force Base, Nev., March 3, 2015. Red Flag is a realistic combat training exercise involving the air forces of the U.S. and its allies.）

红旗 15-2 联合空战演习中，美国空军第23轰炸机中队（23BS）一架 B-52H 轰炸机返回内利斯空军基地。（A B-52 Stratofortress assigned to the 23rd Bomb Squadron, Minot Air Force Base, N.D., lands after a Red Flag 15-2 sortie at Nellis AFB, Nev., March 11, 2015. Red Flag involves a variety of attack, fighter, bomber, reconnaissance, electronic warfare, airlift support and search and rescue aircraft.）

红旗 15-3 联合空战演习中，美国空军第69轰炸机中队（69BS）一架 B-52H 轰炸机返回内利斯空军基地。（A B-52 Stratofortress assigned to the 69th Bomb Squadron, Minot Air Force Base, N.D. lands during Red Flag 15-3 at Nellis Air Force Base, Nev., July 21, 2015. The B-52 is a long-range, heavy bomber that is capable of flying at high subsonic speeds, at altitudes up to 50,000 feet, and can carry up to 70,000 pounds of weapons including nuclear or guided conventional ordnance with worldwide precision navigation capability.）