Ostrog escapes and joins his troops who are flying to London. His men still hold a few airports. The workers find anti-aircraft guns, but they need time to set them up. The revolutionaries have only one aircraft; Graham gives away all of his wealth to the rebels and proceeds to fly the one aircraft against the invaders, bringing some of them down. The revolutionaries get the anti-aircraft guns working and start to shoot down the invaders. Graham attacks Ostrog's aeroplane but fails. Graham's aeroplane crashes.