Above the trenches, the first air war continues to escalate. Each side now has more than 3,000 aircraft in service on the Western Front. But by 1918 the Allies have won air superiority, thanks to greater resources.
沟壕之上,第一次空战也在持续升温。两边都有多于3000架飞行载具服役。但至1918年,协约军已经掌控了空域优势,全因有了更多的资源。