Lieutenant General Mike Elviss was commissioned into the Royal Regiment of Artillery in August 1995, joining the 29th Commando Regiment Royal Artillery, and then returned to the Royal Military Academy Sandhurst as an instructor before his initial selection for sub-unit command in 2002. He deployed to Iraq twice in 2003 in artillery and infantry roles. Attendance on the Army Command and Staff Course followed prior to his appointment as COS 20X and a return to Iraq. In 2008, he returned to battery command and deployed to Afghanistan. Lt Gen Elviss commanded 20X between July 2016 and July 2018, including a year as NATO’s VHR Task Force (Land) and the Vanguard Armoured Brigade. He became a member of the Royal College of Defence Studies in September 2018, prior to filling the post of ACOS Ops in HQ Field Army. Lt Gen Elviss became GOC 3(UK)XX in February 2020 and was subsequently COS (Ops) at the UK’s Permanent Joint Headquarters between October 2021 and February 2024. Lt Gen Elviss assumed command of the Field Army on 18 March 2024.