He gathered all the old war movies and spliced together their aerial-combat footage.他收集了所有旧的战争影片，并把其中的空战胶片粘接起来。The allies are intensifying their air campaign.联军部队正加大他们的空战强度。You're going to see several weeks of an air campaign to soften up the troops.你将看到几周的空战以削弱部队防御。