The United States Army is the largest and oldest established branch of the United States military. The U.S. Army logo contain the element of adventure, bravery, courage and fearlessness on the battlefield and to display the commitment to the nation. United States Army logo color is black, yellow and white. The U. S Army five-pointed star logo is an instantly recognizable logo all over the world.
The United States Air Force is the aerial warfare service branch of the United States Armed Forces and one of the American uniformed services. Initially part of the United States Army, the United States Air Force was formed as a separate branch of the military on September 18, 1947 under the National Security Act of 1947. It is the most recent branch of the U.S. military to be formed, and is one of the most technologically sophisticated air forces. The United States Air Force articulates its core functions in its 2010 Posture Statement as Nuclear Deterrence Operations, Special Operations, Air Superiority, Global Integrated ISR, Space Superiority, Command and Control, Cyberspace Superiority, Personnel Recovery,Global Precision Attack, Building Partnerships, Rapid Global Mobility and Agile Combat Support. (wikipedia.org)