There is an interesting issue in the UK about an outspoken general officer commenting on political matters. As you read the article below you’ll see that the UK is no different than the US in response to outspoken flag and general officers.
Philip Hammond ‘tried to court-martial senior general’, new book claims
General Sir Richard Shirreff, who served as NATO’s deputy supreme allied commander for Europe until 2014, said before standing down from the post the Government was taking “one hell of a risk” by cutting the regular army.