Complex sentence: The squadron swelled in numbers as new draftees were added to the roster and it underwent a number moves to various airfields where after being assigned to Will Rogers Field, Oklahoma it would be deactivated in 1943.
Split into simpler sentences: The squadron swelled in numbers as new draftees were added to the roster and it underwent a number of moves to various airfields. Finally, after being assigned to Will Rogers Field, Oklahoma it would be deactivated in 1943.