The Desert Camouflage Uniform (DCU) is an arid-environment camouflage uniform that was used by the United States Armed Forces from the mid-1990s to the early 2010s. In terms of pattern and textile cut, it is identical to the U.S. military's Battle Dress Uniform (BDU) uniform, but features a three-color desert camouflage pattern of dark brown, pale olive green, and beige, as opposed to the four-color woodland pattern of the BDU. It replaced the previous Desert Battle Dress Uniform (DBDU) which featured a six-color "chocolate chip" pattern of beige, pale olive green, two tones of brown, and black and white rock spots. Although completely phased out of frontline use in the U.S. Armed Forces, some pieces and equipment printed in the DCU camouflage pattern are used in limited numbers such as MOPP suits and/or vests.

The Army Combat Uniform (ACU) is the current combat uniform worn by the United States Army, U.S. Air Force, and U.S. Space Force. Within U.S. Air Force and U.S. Space Force, it is referred to as the OCP Uniform, rather than the Army Combat Uniform.