The women were sent to Europe to clear a backlog of 17 million pieces of mail waiting to be sent to U.S. troops.

The only Black, all-female unit to serve in Europe during World War II, known as the "Six Triple Eight," has been presented with the Congressional Gold Medal.

The only Black, all-female unit to serve in Europe during World War II, commonly known as the “Six Triple Eight,” will be presented Tuesday with the Congressional Gold Medal, following a long-running campaign to recognize their efforts.