Worn from:
9 September 1942 - 3 April 1944.

Re-designated:
Antilles Department.
Worn from:
3 April 1944 - 2 February 1948.

Re-designated:
Antilles United States Forces.
Worn from:
2 February 1948 - 1 May 1981.

Reassigned:
7581st United States Army Reserve Garrison.
Worn from: 1 May 1981 - Current.

The patch depicts the famous Morro Castle in San Juan, Puerto Rico.
The colors red and gold are associated with the Spanish heritage of the island.