OCP may refer to:

• the Operation Enduring Freedom Camouflage Pattern: Multicam
• the Operational Camouflage Pattern: Scorpion W2

The Operation Enduring Freedom Camouflage Pattern had been referred to as OCP since it was adopted in 2010 till the U.S. Army announced the release of the new Operational Camouflage Pattern in 2015.

Reference

• http://taskandpurpose.com/army-cant-escape-camouflage-controversy/
• https://www.army.mil/article/131259