Soldiers of the U.S. Army will no longer wear the Universal Camouflage Pattern, otherwise known as the Army Combat Uniform (ACU) pattern or Digital Camouflage as of October 1, 2019 ...

Two new Army Combat Uniform camouflage patterns - MultiCam® and the Universal Camouflage Pattern (UCP-Delta) - are being tested by two Afghanistan-based battalions.

Mixing and matching is OK. The photo at left from 1st Brigade Combat Team, 82nd Airborne Division, shows units are indeed embracing Big Army's encouragement of multiple uniforms in garrison.

The Operational Camouflage Pattern (OCP) was first released for sale in 2015, replacing the Army Combat Uniform's (ACU) Universal Camouflage Pattern (UCP), which had last been updated in 2005.

Notably, the Army instituted a camouflage study that compared 13 different patterns. However, Army leaders picked the universal ACU pattern and colors without ever finishing the study.

2. Which U.S. flag is worn on the OCP uniform? A.: The wear guidance for wear of the U.S. flag is the same for all camouflage patterns of the ACU.