All five of the troops subject to the probe have since left the armed forces.The men had reportedly sent letters to former Prime Minister Sir Keir Starmer about the supposed unlawfulness of their arrests but received no response.The SAS Regimental Association said the situation presented a “threat to operational security and operational readiness,” warning the arrests damaged the bond of trust between British soldiers and the state.Meanwhile, Defence Secretary Wes Streeting revealed to the Sunday Times investigation that he had written to the Defence Serious Crime Unit to raise concerns.A Ministry of Defence spokesman said: “Our personnel are respected worldwide for their professionalism and dedication, and they make extraordinary sacrifices in defence of the nation.”They are also entitled to expect that any investigation is conducted fairly and professionally and rightly there are procedures in place for people to report concerns.”