A branch of a military that defends its country through the use and exploitation of air and space. Most decent air forces have a fleet of fighters and bombers. The most advanced air force in the world is the United States Air Force, which controls the majority of the United States nuclear arsenal. Its main three high-level bombers, the Spirit, Lancer, and B-52 Stratofortress are all capable of extremely long ranges and nuclear loads.
Many people believe USAF enlisted personnel spend most of their time doing office work of sorts while their officers are flying high. That is not the case, as many enlisted men also fly on USAF aircraft (flight engineers/technicians, crew chiefs, etc.)