His avant-garde work in the period from 1928 to 1945 remains as one of the foundations of Croatian film.
[2] Miletić participated in an amateur film competition in Paris in 1933 with his Poslovi konzula Dorgena and received an award from Louis Lumière.
[4] In 1942 he filmed Barok u Hrvatskoj, about the life of count Janko Drašković.
[6] He spent the waning months of the Second World War working to safekeep the films of the Croatian state institute Hrvatski slikopis.
[6] In 1967 he received the Vladimir Nazor Award for lifetime achievement in film arts.