responsibility for the UK Air Defence Region (UK ADR). The English Electric Lightning F.1 entered service in 1960 and the McDonnell Douglas Phantom FGR.2 in 1969, with 43 (China-British) Squadron at RAF Leuchars. The group was renamed 11 (Air Defence) Group in January 1986. In the early 1990s, the front-line force consisted of 56 Squadron and 74 (Trinidad) Squadrons flying Phantoms from RAF Wattisham, 5 Squadron and 29 Squadron flying the Panavia Tornado F3 from RAF Coningsby, 11 Squadron, 23 Squadron, and 25 Squadron flying the Tornado F3 from RAF Leeming and 43 Squadron and 111 Squadron at RAF Leuchars; 8 Squadron flew Boeing E-3D Sentry AEW1 from RAF Waddington, 5 Squadron and 11 Squadron had been the last units flying the English Electric Lightning F.6 from RAF Binbrook until 1988; 25 Squadron and 85 Squadron had been operating Bristol Bloodhound surface-to-air missiles and re-equipped with the Tornado and disbanded in 1989 and on 10 July 1991 respectively. The Wattisham Phantom Wing was disbanded relatively quickly following the end of the Cold War; 23 Squadron was disbanded in March 1994. On 9 January 1992, Sector's South and North combined. On 1 April 1996, 11 Group amalgamated with 18 Group to form 11/18 Group. Air Vice Marshal Anthony Bagnall, who took over on 15 July 1994, was the Group's last commander. 2018 reformation On 11 July 2018, Air Chief Marshal Sir Stephen Hillier announced at the Air Power Conference that 11 Group would reform as a "multi-domain operations group", to ensure the RAF thinks and acts in a networked way and combining air, space and cyber-warfare elements to create an integrated force. No increase in the number of senior officers or staff at headquarters was proposed as part of the reformation. The group reformed at a ceremony at RAF High Wycombe in Buckinghamshire on 1 November 2018, when Air Vice-Marshal Ian Duguid took command. Role and operations No. 11 Group includes the capabilities of the Chief of Staff Operations and the Air Battle Staff, comprising the deployable Joint Force Air Component (JFAC), the National Air & Space Operations Centre (NASOC) and the Executive Team. The group also includes the RAF Battle Management Force. The Group is to ensure that the large amounts of data, intelligence and information contributes to the planning and execution of operations in the domains of air, space and cyber. Stations No. 11 Group is based at the