6-8Education Program9-12Lesson PlansWorld War IIAudience GroupResource Type Lesson Plan: 6888th Central Postal Directory Battalion, World War II Share Tags 6-8Education Program9-12Lesson PlansWorld War IIAudience GroupResource Type 2025-03-21 The 6888th Central Postal Directory Battalion, popularly known as the “Six Triple Eight,” was a segregated Black unit of the Women’s Army Corps (WAC) during World War II—.and the only non-medical Black women’s unit to serve overseas during the war.