Victoria Cross recipient Ben Roberts-Smith has been arrested in Sydney on war crimes charges relating to his service in Afghanistan, marking the most significant military accountability case in Australia's history.The arrest follows years of allegations detailed in the Brereton Report, a landmark inquiry into Australian Special Air Service Regiment operations that found evidence of 39 unlawful killings by Australian special forces personnel between 2005 and 2016.According to the ABC, Roberts-Smith faces multiple charges related to the murder of unarmed Afghan prisoners. The charges stem from incidents during the SAS soldier's deployment to Uruzgan Province.Mate, this is a watershed moment for Australian military accountability. Roberts-Smith was the most decorated living Australian soldier, receiving the Victoria Cross for bravery under fire. But last year, he spectacularly lost a defamation case against The Age and The Sydney Morning Herald, with Justice Anthony Besanko finding the newspapers had proven substantial truth to allegations that he murdered four unarmed prisoners.The Brereton Report, released in 2020 after a four-year inquiry, painted a damning picture of a warrior culture within sections of the SAS that had become "toxic." It recommended 19 current or former special forces personnel be investigated for potential prosecution.Federal prosecutors have been building their case for years, sifting through thousands of pages of witness testimony, operational reports, and photographic evidence. The investigation has interviewed Afghan witnesses and examined body camera footage and classified mission reports.The charges mark Australia's first major war crimes prosecution since World War II. Legal experts note the case will test whether Australian military law can hold elite soldiers accountable for actions in complex counterinsurgency operations.Roberts-Smith's legal team has consistently denied the allegations, arguing he was a professional soldier operating under lawful rules of engagement. They're expected to challenge both the evidence and the jurisdiction of civilian courts over military operations.The case has profound implications for how remembers its longest war. The country deployed forces to from 2001 to 2021, with 41 Australian service members killed in action. Now the nation must grapple with evidence that some of its most elite soldiers committed murder.Veterans' advocates have called for support for serving and former soldiers as the case proceeds. Many ADF members served honorably in , and there are concerns the prosecution could unfairly taint their service.The trial is expected to begin later this year and could last several months. If convicted, faces life imprisonment.