winter of 1940, Miller started his fourth season in the VFA. In a match against Coburg, aged just 19, he was selected to play at full back, against the greatest forward of the era, Bob Pratt. Miller restricted Pratt to just one goal for the match, and was named best on ground. Scouts from top-tier Victorian Football League (VFL) club St Kilda signed Miller on the spot. In a match for St Kilda against Carlton, Miller was king hit by his opponent Ron Cooper at the start of the match. When the teams next met, Miller shoulder bumped Cooper in the first minute, forcing him to leave the field. St Kilda finished second-last that season. War service Miller's sporting career was interrupted by World War II. On 20 August 1940, he joined the Militia (army reserve), and was assigned to the 4th Reserve Motor Transport Company. In late September, Miller began his training. A non-conformist, he had the first of many clashes with authority in November, when he was fined for "using insulting language to a superior officer". Miller soon lived up to the traditional nickname of Dusty for anyone called Miller, owing to his tendency to be involved in fist fights and his rambunctious persona. During the summer of 1940–41, Miller was granted leave so that he could play interstate cricket. In a war-shortened season, Miller scored 140 runs at 28.00 and took his maiden first-class wicket. The 1941 VFL season also went ahead. Miller played in defence and attack, depending on match conditions. In 16 games, he kicked 28 goals, including eight in one match. He again showed his disrespect for authority and reputation, striking his boss Beames—who played for Melbourne—with a raised elbow at the start of a match. Miller came second in St Kilda's best and fairest for the season. Miller's season ended early when he was recalled to duty. He had continued disciplinary problems, and left the Militia on 8 November 1941. Miller and a friend then attempted to join the Royal Australian Navy. When the navy rejected his friend, Miller tore up his own paperwork, left the recruiting office, and walked around the corner to the Royal Australian Air Force (RAAF) recruiting office, where he enlisted. Less than two months after the Japanese attack on Pearl Harbor in December 1941, Miller was called to active service. He trained at No. 4 Initial Training School,