It comes after the 22 year old received a three-year suspended sentence for the assault of Natasha O'Brien.
Cathal Crotty is no longer a member of the Defence Forces as of today.
He was convicted last month of a vicious assault on Natasha O'Brien in Limerick City on May 29th of 2022.
Mr. Crotty received a fully suspended sentence, which the DPP is in the process of appealing.
Kildare South TD and Former Army Ranger Cathal Berry, explains why the defense forces are able to discharge him: