 He is on record as being against 

In 2011, Mildren published a history, "Big Boss Fella All Same Judge – A History of the Supreme Court of the Northern Territory".Mildren was a colonel in the Australian Army Legal Corps from 1992–96, after being a lieutenant colonel from 1980–92.He was a Judge Advocate from 1986–96 and was a Defence Force Magistrate from 1986–91.