日本北海道,美国空军一架 E-3A 预警机在“对抗北方 82-1”美日联合空战演习中。始于1978年的“对抗北方”演习基于《日美防卫合作指针》, 高峰期每年举行2到4次,主要目的是提高战备水平、合作程度和共同应对外部威胁的能力。(An air-to-air view of an E-3A Sentry aircraft equipped with an Airborne Warning and Control System (AWACS) participating in Cope North 82-1A exercises being held at Kadena and Naha Air Bases.)