No 1 Fighter Squadron – F16 Viper – Air Defence The Vipers of No 1 (Fighter) Squadron cover the countries Southern approaches and provide fighter cover for the Capital city. They also assist A-S RAF patrols in covering the UKs Southern Air Defence Zone as part of treaty obligations with London. The Unit transitioned to the F16 in 1986 converting from the Mirage III. No 1 Sqn will retain its F16 fighters following the Defence review of 2011. No 66 (Dragon) Squadron – C130J Hercules/ Boeing 767 - Transport No 100 (Breheinol) Squadron – AB206 Jet Ranger, Dassault Falcon – VIP Transport