651 Squadron Army air Corps
651 Sqn are an Army Air Corps squadron that is believed to have joined the Joint Special Forces Aviation Wing in 2006. They are known to operate Britten Norman Defender 4S AL Mk1 aircraft which are used for reconnaissance missions.
It’s believed that 651 Sqn aircraft have been operating in Iraq in support of the British presence there. Based out of Basra and Al Amara, Defenders have been monitoring movements of insurgents along routes into the capital. It’s likely that such operations involve close coordination with UKSF ground units. It’s also possible that 651 Sqn support SAS Task Force Black which operates throughout Iraq.