Judges at the Court of Appeal have quashed Sgt Danny Nightingale's conviction.
He was jailed in November for 18 months by a military tribunal for illegally possessing a handgun – but was later freed after the sentence was reduced to 12 months and suspended.
Now he faces a retrial.
Lawyers for an SAS sniper from Cheshire are to challenge whether it's in the public interest to continue with a retrial.
Cheshire SAS sniper Sergeant Danny Nightingale, who was released from jail last week after winning a court appeal, has returned to work.
Released Cheshire SAS Sniper Danny Nightingale speaks exclusively about his release to ITV's Daybreak