<P> The Airman Battle Uniform ( ABU ) is U.S. camouflage battledress uniform ; it is a service - distinctive uniform as it is primarily used by the United States Air Force and its civilian auxiliary . It replaced the Battle Dress Uniform on 1 November 2011 after a four - year phase - in period . </P>
<P> The Airman Battle Uniform ( ABU ) is U.S. camouflage battledress uniform ; it is a service - distinctive uniform as it is primarily used by the United States Air Force and its civilian auxiliary . It replaced the Battle Dress Uniform on 1 November 2011 after a four - year phase - in period . </P>
when did the air force switch to abus
when did the air force switch to abus
1 November 2011 after a four - year phase - in period
1 November 2011 after a four - year phase - in period