As part of Operation Catalyst, ADGs provided force protection to the RAAF air traffic control detachment at Baghdad International Airport, during 2003–04. Thirteen ADGs from 2AFDS deployed to Baghdad with Security Detachment (SECDET) 13, the Australian combat team providing security for the Australian Embassy and close protection for officials. The ADGs were integrated within the infantry component of SECDET 13, drawn from the 7th Battalion, Royal Australian Regiment (7RAR). The Commanding Officer 7RAR, Lieutenant Colonel Shane Gabriel, commenced his military career as an RAAF GRDEFO, serving with 2AFDS and as Base Ground Defence Officer, RAAF Base Tindal; he has also served with the RAF Regiment.