Aircraft is name for all flying units in Rise of Nations. Aircraft first shows up in Industrial Age, with Biplane. In Modern Age there are new planes: Bombers and Fighters. Also, Aircraft Carriers hold Fighter Bombers. There comes Helicopter. In Information Age, there are Strategic Bombers and Jet Fighters, and Helicopter upgrades to Assault Helicopter. Fighter Bombers upgrade to Jet Fighter Bombers. Also, when player researchs Global Prosperity, he can upgrade Jet Fighters to Advanced Fighters and Strategic Bombers to Stealth Bombers.