Stillwell , while recognizing the problems that diversion of roadbuilding assets to airfield construction had caused , was still unsatisfied with progress .
Stillwell , while recognizing the problems that diversion of roadbuilding assets to airfield construction had caused , began searching for a replacement .
Stillwell , while recognizing the problems that diversion of roadbuilding assets to airfield construction had caused , was still unsatisfied with progress and began searching for a replacement .