2013年8月1日,美国堪萨斯州,美国空军第509轰炸机联队的 B-2A 隐形战略轰炸机加油完毕正在脱离来自麦康奈尔空军基地第22空中加油联队的 KC-135 空中加油机。(A B-2 Spirit Stealth Bomber approaches the rear of a KC-135 Stratotanker in preparation to refuel during a training mission over Midwestern skies, Aug. 1, 2013. The B-2's unique design has enabled it to travel into enemy territory without being detected by their radar to deploy ordinance. It is one of many aircraft McConnell's tankers provide fuel to.)