Airman Battle Uniform
Overview
 
The Airman Battle Uniform (ABU) is a service-distinctive camouflage
Camouflage
Camouflage is a method of concealment that allows an otherwise visible animal, military vehicle, or other object to remain unnoticed, by blending with its environment. Examples include a leopard's spotted coat, the battledress of a modern soldier and a leaf-mimic butterfly...

 battledress
Battledress
Battledress, or fatigues in the general sense, is the type of uniform used as combat uniforms, as opposed to 'display' dress or formal uniform worn at parades and functions. It may be either monochrome or in a camouflage pattern...

 uniform for the United States Air Force
United States Air Force
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 USAF was formed as a separate branch of the military on September 18, 1947 under the National Security Act of...

. It is currently in full production and replaced the Battle Dress Uniform
Battle Dress Uniform
The Battle Dress Uniform were the fatigues that the armed forces of the United States used as their standard uniform for combat situations from September 1981 to April 2005. Since then, it has been replaced in every branch of the U.S. military. Only the U.S. Navy currently authorizes wear of the...

 November 1st, 2011 after a four year phase-in period. BDUs are no longer authorized for wear by Airmen.
The first prototype of the ABU was unveiled in the summer of 2003, based on the Vietnam
Vietnam War
The Vietnam War was a Cold War-era military conflict that occurred in Vietnam, Laos, and Cambodia from 1 November 1955 to the fall of Saigon on 30 April 1975. This war followed the First Indochina War and was fought between North Vietnam, supported by its communist allies, and the government of...

-era Tigerstripe
Tigerstripe
Tigerstripe is the name of a group of camouflage patterns developed for close-range use in dense jungle during jungle warfare by the South Vietnamese Armed Forces/US Forces. It derives its name from its resemblance to a tiger's stripes...

 pattern. The early uniform prototypes consisted of trousers, an embroidered undershirt, and a blouse.
 
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