Complex sentence: The plan was reviewed by Capt. Ira C. Eaker, assigned to the office of the Assistant Secretary of War for Air, F. Trubee Davison, who took it to Maj. Gen. James E. Fechet, Chief of the United States Army Air Corps.
Split into simpler sentences: The plan was reviewed by Capt. Ira C. Eaker, an aide to Assistant Secretary of War for Air F. Trubee Davison. Eaker took it to Maj. Gen. James E. Fechet, Chief of the United States Army Air Corps.