1. Military Specification MIL-S-3001F. (6 November 1964)
4th Infantry Division Patch (front pocket) : The 4th Infantry Division is a division of the United States Army based at Fort Carson, Colorado. It is composed of a division headquarters battalion, three brigade combat teams (two Stryker and one armor), a combat aviation brigade, a division sustainment brigade, and a division artillery.
Armored Division Patch : Upper front right