Army Girl also released as The Last of the Cavalry is a 1938 American film combining action, the mechanisation of the horse cavalry with a romantic comedy. It was a high budget film by Republic Pictures and directed by George Nicholls, Jr.
During this period the Colonels daughter Julie masquerades as a Southern Belle with no connection with the army to date Dike who vows to have nothing to do with Army Girls the daughters of officers or soldiers. Enjoying each others company Dike discovers that Julie is actually the Colonels daughter but has fallen in love with her.Due to the tank winning the competition, Army Headquarters orders that Captain Dike Conger take over the command of the 31st Cavalry from the kindly old Colonel Armstrong. Though Julie and the officers and troopers of the Regiment despise Dike for doing this, the gentlemanly Colonel Armstrong suggests a scheme to win his Regiment over the Colonel and Dike swap mounts. However in a wild ride inside the tank both the Colonel and Three Star are killed when the tank goes out of control. ........
Source: Wikipedia