Sentence:  I explained to him the police organisation and suggested that as the DMP <WSD>uniformed service</WSD> took no part whatsoever in anti-Sinn Féin activities – as unlike the RIC they did not do political duty – they should not be alienated by attacks on them. 
Meaning of the word marked with <WSD> tags:  A military organization, or another agency or organization of government in which members wear a uniform.