 As a brigadier in 2003, Barrons served his second tour in Northern Ireland, this time as a brigade commander. In 2005, he was appointed to Assistant Chief of Staff, Commitments, a senior staff position. He was promoted to major general in 2008 and deployed to Iraq for the second time, this time to Baghdad, with responsibility for joint operations. He then served briefly with the NATO Allied Rapid Reaction Corps before being sent to Afghanistan for the second time, when he headed an ISAF reintegration unit to provide incentives for Taliban soldiers to surrender. He later became Deputy Chief of the Defence Staff (Operations).
