Development of the half-tube channel wing was then refined further, and on November 12, 1942, the CCW-1 (Custer Channel Wing 1) airplane was flying for the first time.
Udviklingen af halvrør kanalvinger blev udviklet yderligere - og d. 12. november 1942, fløj flyet CCW-1 (Custer Channel Wing 1) for første gang.