1970年4月24日，华盛顿州，美国海军VAH-10重型攻击机中队的KA-3B"天空战士"空中加油机放出加油锥套，VA-52攻击中队的A-6A"入侵者"紧随其后准备空中加油。（A Heavy Attack Squadron Ten (VAH-10) KA-3B Skywarrior tanker-configured attack aircraft reels out its drogue toward the probe of an Attack Squadron Fifty-Two (VA-52) A-6A Intruder attack aircraft in preparation for an aerial refueling operation.）