美国阿拉斯加州，雷霆对抗 91 联合空中作战演习中，加拿大空军一架 CF-188A 战斗机准备降落。（A Canadian Air Force CF-18 Hornet aircraft approaches for a landing during Cope Thunder North, an exercise that tests aircrews' skills in strike, support, air defense and combat rescue roles. Units from the Canadian Forces, the U.S. Marine Corps, Alaska Air National Guard, Strategic Air Command and other Pacific Air Forces units are participating in the exercise.）