Complex sentence: The WAAC organization was designed by numerous Army bureaus coordinated by Lt. Col. Gilman C. Mudgett, the first WAAC Pre-Planner; however, nearly all of his plans were discarded or greatly modified before going into operation because he expected a corps of only 11,000 women.
Split into simpler sentences: The WAAC organization was designed by numerous Army bureaus coordinated by Lt. Col. Gilman C. Mudgett, the first WAAC Pre-Planner. However, nearly all of his plans were discarded or greatly modified before going into operation because he expected a corps of only 11,000 women.