Question: What sea did the first African-American aviator from North Omaha, Nebraska  member of a group of African-American military pilots who formed the 332nd Fighter Group and the 477th Bombardment Group of the United States Army Air Forces, go missing over?
Sentence (from "616th Bombardment Squadron"): The 616th Bombardment Squadron was activated in 1943 as one of the four squadrons of the 477th Bombardment Group, the first (and only) bombardment group in the United States Army Air Forces to include black pilots.
Relevant evidence: No