maomao
普費斯
An RAF guy got banged up for eight months for refusing to fight in an illegal war but clearly stated he wasn't a conscientious objector:I recall a couple being done and sent down for refusal to go.
Done for being AWOL IIRC
Malcolm Kendall-Smith - Wikipedia
en.wikipedia.org
An SAS guy managed to get out and became a peace campaigner:
Ben Griffin (British Army soldier) - Wikipedia
en.wikipedia.org
He later cited concerns about the occupation demeanor towards the local population of United States Army units of 'Multi-National Force - Iraq' that he was working with, accusing them of being "trigger happy" compared with British Army's fire discipline, overtly racially prejudiced,[3] and morally objected to detainees that his Squadron were responsible for locating and arresting being handed over to United States Army custody, in which he believed they were being physically abused in pursuance of information. A low point was reached during the deployment when the Commanding Officer of 22. Special Air Service Regiment on a visit to Griffin's Squadron in Baghdad expressed the view, openly to unit's personnel, that he himself had declining confidence in their mission, and that he was uneasy that they were in jeopardy of being turned in to a secret police force in the Iraqi state under United States' authority.[2] In consequence, whilst on leave in the United Kingdom Griffin sought and obtained permission to resign from the British Army in 2005.[4]