Relinquishing this appointment on 1 March 1931 , he was then made a brigade major with the 13th Infantry Brigade .
Shortly after graduating from Camberley , from 21 May 1929 Hayes was appointed as a General Staff Officer Grade 3 ( GSO3 ) at the War Office .
Relinquishing this appointment on 1 March 1931 , Hayes was then made a brigade major with the 13th Infantry Brigade .
Shortly after graduating from Camberley , from 21 May 1929 Hayes was appointed as a General Staff Officer Grade 3 ( GSO3 ) at the War Office .