there be no question a to who be in command of the training of cadet in this film represent major chick davis ( pat obrien ) . obrien play an officer who adhere to military discipline in the creation of a new kind of soldier from his cadet the bombardier . but he be not so rigid a to be unfair or unfriendly . in fact and he even change his opinion a to the value of woman work in the military . he tough when he have to be and yet at other time he be a clear mix of coach and pastor and roles he perfect in other film . his character be the foundation of the action around which everything revolves . obrien seem natural in the role and and play it in fine fashion . two thing help this movie represent obrien performance and the spectacular special effect end .