Why do the air forces fight?
because they can
..... Air Forces, regardless of the country they belong to, fight because they are ordered to do so by the command struture. Air Forces don't simply pick fights, they go to war when the country goes to war.
They were called the Allied Forces along with the Royal forces. There were many companies and regiments that went to fight and they all had different names and numbers. The most popular became the 101st and 82nd Airborne, the 8th and 9th Army Air Corps, The tank regiments and all the infantrymen. These were the American favorites. I don't know which of the Royal Forces were their favorites or most victorious.
Not really. The US Air Force is the most powerful and feared air power in the world. The US Army fights on the ground, the US Navy fights in the water, and the US Air Force fights in the air. The Air Force does have significant ground forces for special missions and for guarding Air Force facilities.
It depends on in which media. For air/vacuum, there is not much what you can do. You can use so called luricants to avoid or decrease friction. For the liquid phase thera are books which explain how to fight with cohesion/attractive forces. But the main idea is to change pH in order to overstem the isoelectric point. When it happens attaractive forces (all of them or some depending on nature of forces) turn to repalsive…