An RAF Sentinel R1 aircraft has carried out the last operational flight of the aircraft type from RAF Waddington after 14 years of service. The aircraft, operated by V (AC) Squadron, have flown circa 32,300 hours conducting approximately 4,870 sorties during its service life. The withdrawal from service was first announced as part of the 2015 Strategic Defence and Security Review and the UK continues to invest heavily in NATO ISTAR capabilities, not least Maritime Surveillance (Poseidon), Airbor