美国内华达州内利斯空军基地，红旗2005 联合空战演习中，马萨诸塞州空中国民警卫队的技术军士在引导第104战斗机联队一架 A-10A 攻击机。(Massachusetts Air National Guard Tech. Sgt. Al Salois, Dedicated Crew Chief, 104th Fighter Wing, Westfield, Mass., marshals an A-10 Thunderbolt II ground attack aircraft during Joint Red Flag 2005 at Nellis Air Force Base, Nev., on March 28, 2005. Approximately 10,000 U.S service members, with representatives from each branch of service along with coalition forces, are participating in the Joint Red Flag 2005.)

美国内华达州内利斯空军基地，红旗2005 联合空战演习中，美国空军第57战斗机联队的 A-10A 攻击机正在起飞。(A U.S. Air Force A-10 Thunderbolt II ground attack aircraft, 57th Fighter Wing, takes off during Joint Red Flag 2005 at Nellis Air Force Base, Nev., on March 28, 2005. Approximately 10,000 U.S. service members, with representatives from each branch of service along with coalition forces, are participating in the Joint Red Flag 2005.)

美国内华达州内利斯空军基地，红旗2005 联合空战演习中，维修技师在准备美国空军 A-10A 攻击机。(U.S. Air Force maintenance technicians work on an A-10 Thunderbolt II, at Nellis Air Force Base, Nev., to ready the aircraft for a mission during Exercise Joint Red Flag 2005, on March 21, 2005. Joint Red Flag 2005 is designed to train joint forces as they fight. Approximately 10,000 members from the U.S. armed forces, reserves and National Guard, special operations forces and other government agencies will participate in the event. Several coalition partners will play major roles as well, both as participants and observers.)

美国内华达州内利斯空军基地，红旗 14-2 联合空战演习，路易斯安那州巴克斯代尔空军基地第96轰炸机中队两架 B-52H“同温层堡垒”轰炸机在滑行。(Two U.S. Air Force B-52 Stratofortress aircraft assigned to the 96th Bomb Squadron, Barksdale Air Force Base, La., taxi at Nellis Air Force Base, Nev., March 7, 2014, during Red Flag 14-2. Red Flag is an advanced aerial combat training exercise held four to six times a year to train pilots from the U.S., NATO and other allied countries for real combat situations.)

美国内华达州，红旗 13-2 联合空战演习，从内利斯空军基地起飞的路易斯安那州巴克斯代尔空军基地第20轰炸机中队的 B-52H“同温层堡垒”轰炸机在演习空域飞行，其8台涡喷发动机单台推力17000磅。(A B-52H Stratofortress assigned to the 20th Bomb Squadron, Barksdale Air Force Base, La., soars over the Nevada skies during a Red Flag exercise at Nellis Air Force Base, Nev., Jan. 31, 2013. The B-52 was America's first long-range, swept-wing heavy bomber. Now entering its sixth decade of service, it remains a integral component of the bomber fleet.)

美国内华达州，红旗 13-2 联合空战演习，从内利斯空军基地起飞的路易斯安那州巴克斯代尔空军基地第20轰炸机中队的 B-52H“同温层堡垒”轰炸机在演习空域飞行，其8台涡喷发动机单台推力17000磅。(A B-52H Stratofortress assigned to the 20th Bomb Squadron, Barksdale Air Force Base, La., flies during a Red Flag exercise at Nellis Air Force Base, Nev., Jan. 31, 2013. The B-52 is a long-range, strategic heavy bomber capable of dropping or launching a wide array of munitions, ranging from conventional and precision-guided bombs to cruise missiles.)

美国内华达州，红旗 13-2 联合空战演习，从内利斯空军基地起飞的路易斯安那州巴克斯代尔空军基地第20轰炸机中队的 B-52H“同温层堡垒”轰炸机在演习空域飞行，其8台涡喷发动机单台推力17000磅。(A B-52H Stratofortress assigned to the 20th Bomb Squadron, Barksdale Air Force Base, La., flies during a Red Flag exercise at Nellis Air Force Base, Nev., Jan. 31, 2013. The B-52 is a long-range, strategic heavy bomber capable of dropping or launching a wide array of munitions, ranging from conventional and precision-guided bombs to cruise missiles.)

美国内华达州，红旗 13-2 联合空战演习，从内利斯空军基地起飞的路易斯安那州巴克斯代尔空军基地第20轰炸机中队的 B-52H“同温层堡垒”轰炸机在演习空域飞行，其8台涡喷发动机单台推力17000磅。(A B-52H Stratofortress assigned to the 20th Bomb Squadron, Barksdale Air Force Base, La., flies over Nevada during a Red Flag exercise at Nellis Air Force Base, Nev., Jan. 31, 2013. The B-52 was America's first long-range, swept-wing heavy bomber. Now entering its sixth decade of service, it continues to be an integral element of the Air Force bomber fleet.)

美国内华达州，红旗 13-2 联合空战演习，从内利斯空军基地起飞的路易斯安那州巴克斯代尔空军基地第20轰炸机中队的 B-52H“同温层堡垒”轰炸机在演习空域飞行，其8台涡喷发动机单台推力17000磅。(A B-52H Stratofortress assigned to the 20th Bomb Squadron, Barksdale Air Force Base, La., soars over Nevada during a Red Flag exercise at Nellis Air Force Base, Nev., Jan. 31, 2013. The B-52 was America's first long-range, swept-wing heavy bomber. Now entering its sixth decade of service, it continues to be an integral element of the Air Force bomber fleet.)

美国内华达州，红旗 13-2 联合空战演习，从内利斯空军基地起飞的路易斯安那州巴克斯代尔空军基地第20轰炸机中队的 B-52H“同温层堡垒”轰炸机在演习空域转弯，其8台涡喷发动机单台推力17000磅。(A B-52H Stratofortress assigned to the 20th Bomb Squadron, Barksdale Air Force Base, La., flies during a Red Flag exercise at Nellis Air Force Base, Nev., Jan. 31, 2013. The B-52 has eight turbojet engines, each capable of producing 17,000 pounds of thrust, with a top speed of 650 miles per hour. Now entering its sixth decade of service, it continues to be an integral element of the Air Force bomber fleet.)