Aug 17, 2020 · MAXWELL AIR FORCE BASE, Ala. -- The next milestone for mandatory wear with the Operational Camouflage Pattern uniforms (OCP), goes into effect on Sept. 1, 2020. Some of the new requirements are: Mandatory wear of Coyote Brown boots and T-shirt, Spice Brown U.S. flag and officer rank, as well as DLA green socks or Coyote Brown socks.