美国空军 B-2A“密苏里幽灵号”从密苏里州怀特曼空军基地起飞训练。（A B-2 Spirit launches from the runway during an exercise at Whiteman Air Force Base, Mo., Nov. 8, 2015. The B-2 Spirit is a multi-role bomber capable of delivering both conventional and nuclear munitions. Its low-observable, or "stealth," characteristics give it the unique ability to penetrate an enemy's most sophisticated defenses and threaten its most valued, and heavily defended, targets.）

美国空军 B-2A“小鹰幽灵号”从密苏里州怀特曼空军基地起飞训练。（A B-2 Spirit flies over Whiteman Air Force Base, Mo., Nov. 8, 2015, during an exercise. The B-2 Spirit is a multi-role bomber capable of delivering both conventional and nuclear munitions.）

美国空军 B-2A“小鹰幽灵号”从密苏里州怀特曼空军基地起飞训练。（A B-2 Spirit launches from the runway during an exercise at Whiteman Air Force Base, Mo., Nov. 8, 2015. The B-2 Spirit is a multi-role bomber capable of delivering both conventional and nuclear munitions.）

2014年4月9日，美国密苏里州怀特曼空军基地，B-2A“纽约幽灵”隐形战略轰炸机起飞进行训练，该基地是目前 B-2 轰炸机唯一的永久性基地。（B-2 Spirit of California takes off during a base exercise, April 9, 2014, at Whiteman Air Force Base, Mo. Whiteman AFB, is the only operational base for the B-2.）

2014年4月9日，美国密苏里州怀特曼空军基地，B-2A“加利福尼亚幽灵”隐形战略轰炸机起飞进行训练，该基地是目前 B-2 轰炸机唯一的永久性基地。（B-2 Spirit of California takes off during a base exercise, April 9, 2014, at Whiteman Air Force Base, Mo. The B-2’s low-observable, or "stealth," characteristics give it the unique ability to penetrate an enemy's most sophisticated defenses and threaten its most valued, and heavily defended, targets.）

2014年4月8日，美国密苏里州怀特曼空军基地，B-2A“亚利桑那幽灵”隐形战略轰炸机在跑道上滑行。该基地是目前 B-2 轰炸机唯一的永久性基地。（B-2 Spirit of Arizona taxis, April 8, 2014, at Whiteman Air Force Base, Mo. The B-2 is powered by four General Electric F118-GE-100 engines.）

2014年4月8日，美国密苏里州怀特曼空军基地，B-2A“亚利桑那幽灵”隐形战略轰炸机在跑道上滑行。该基地是目前 B-2 轰炸机唯一的永久性基地。（B-2 Spirit of Arizona taxis, April 8, 2014, at Whiteman Air Force Base, Mo. Whiteman AFB, is the only operational base for the B-2.）