Question: Which city is the 48th Operations Group located 4.7 miles north-east of?

full_context: Document 1: RAF Burtonwood: Royal Air Force Burtonwood or more simply RAF Burtonwood is a former Royal Air Force station 2 mi northwest of Warrington, Lancashire, England. It was also known as USAAF station 590.
Document 2: RAF St Pancras: RAF St Pancras was a temporary, but official, Royal Air Force station established in the Somers Town Goods Yard beside St Pancras railway station in London. The base was opened and closed in May 1969 in order to serve the winning entry of Flt Lt Tom Lecky-Thompson and Harrier XV741 in the Daily Mail Trans-Atlantic Air Race.
Document 3: RAF Langham: Royal Air Force Langham or more simply RAF Langham is a former Royal Air Force station, located 27.2 mi North-West of Norwich, Norfolk, England, from 1940 to 1961. The airfield was the most northerly of the Norfolk wartime RAF airfields and its position, being just 3.3 mi from the North sea at Blakeney. made it a desirable location to be used by Coastal Command which had come into prominence since the outbreak of the Second World War. Originally the base was built as a dispersal and satellite station to RAF Bircham Newton during the first few months of the war and it became operational in the summer of 1940.
Document 4: RAF Lakenheath: Royal Air Force Lakenheath or RAF Lakenheath (IATA: LKZ, ICAO: EGUL) is a Royal Air Force station near the town of Lakenheath in Suffolk, England, 4.7 mi north-east of Mildenhall and 8.3 mi west of Thetford.
Document 5: RAF Valley: Royal Air Force Valley or more simply RAF Valley (Welsh: "RAF y Fali" ) (IATA: VLY, ICAO: EGOV) is a Royal Air Force station on the island of Anglesey, Wales, and which is also used as Anglesey Airport. It provides fast-jet training using the BAE Systems Hawk and provides training for aircrew working with search and rescue.
Document 6: No. 48 Squadron IAF: No. 48 Squadron is a unit of the Indian Air Force assigned to Maintenance Command. The Squadron participates in operations involving air, land and airdrop of troops, equipment, supplies, and support or augment special operations forces, when appropriate.
Document 7: RAF East Kirkby: Royal Air Force East Kirkby or more simply RAF East Kirkby is a former Royal Air Force station near the village of East Kirkby, south of Horncastle in Lincolnshire, just off the A155. The Greenwich meridian passes through the base.
Document 8: 48th Operations Group: The 48th Operations Group (48 OG) is the flying component of the 48th Fighter Wing, assigned to the United States Air Forces in Europe - Air Forces Africa. The group is stationed at RAF Lakenheath, England.
Document 9: 57th Rescue Squadron: The 57th Rescue Squadron is part of the 48th Fighter Wing at RAF Lakenheath, England. As part of the 48th Operations Group it conducts pararescue operations in support of higher command directives, at times utilizing HH-60G Pave Hawk and Lockheed HC-130 Hercules aircraft. The 57th Rescue Squadron is a combat-ready squadron of pararescue personnel capable of performing combat rescue and personnel retrieval missions in theaters of operations worldwide.
Document 10: Loring Air Force Base: Loring Air Force Base (IATA: LIZ, ICAO: KLIZ) was a United States Air Force installation in northeastern Maine, near Limestone and Caribou in Aroostook County. It was one of the largest bases of the U.S. Air Force's Strategic Air Command during its existence, and was transferred to the newly created Air Combat Command in 1992.
Document 11: RAF Cottesmore: Royal Air Force Station Cottesmore or more simply RAF Cottesmore is a former Royal Air Force station in Rutland, England, situated between Cottesmore and Market Overton. The station housed all the operational Harrier GR9 squadrons in the Royal Air Force, and No. 122 Expeditionary Air Wing. On 15 December 2009 it was announced that the station would close in 2013 as part of defence spending cuts, along with the retirement of the Harrier GR9 and the disbandment of Joint Force Harrier. However the formal closing ceremony took place on 31 March 2011 with the airfield becoming a satellite to RAF Wittering until March 2012.
Document 12: 1st Operations Group: The 1st Operations Group (1 OG) is the flying component of the 1st Fighter Wing, assigned to the USAF Air Combat Command. The group is stationed at Langley Air Force Base, Virginia. The 1st Operations Group is the oldest major air combat unit in the United States Air Force, being the successor organization of the 1st Pursuit Group. The 1st Pursuit Group was the first air combat group formed by the Air Service, American Expeditionary Force, on 5 May 1918.
Document 13: 44th Fighter Group: The 44th Fighter Group (44 FG) is an Air Reserve Component (ARC) of the United States Air Force. It is assigned to the Tenth Air Force, Air Force Reserve Command (AFRC), stationed at Tyndall Air Force Base, Florida. The 44 FG is an associate unit of the 325th Fighter Wing, Air Combat Command (ACC) and if mobilized the wing is gained by ACC. Otherwise, the 44 FG operates as a geographically-separated unit (GSU) of AFRC's 301st Fighter Wing at NAS JRB Fort Worth, Texas.
Document 14: 48th Fighter Wing: The 48th Fighter Wing (48 FW) is part of the United States Air Force's Third Air Force, assigned to Headquarters Air Command Europe and United States Air Forces in Europe (USAFE). It is based at RAF Lakenheath, England. The 48 FW is the only F-15 wing based in Europe and consists of both F-15C/D Eagle and F-15E Strike Eagle aircraft as well as a rescue squadron of HH-60G Pave Hawk helicopters. The 48 FW was given the name "Statue of Liberty Wing" on 4 July 1954 and remains the only U.S. Air Force unit with both a name and a numerical designation.
Document 15: 56th Rescue Squadron: The 56th Rescue Squadron is part of the 48th Operations Group, 48th Fighter Wing at RAF Lakenheath, England. It operates HH-60G Pave Hawk helicopters conducting search and rescue missions. It will relocate to Aviano Air Base, Italy starting in 2017.
ground_truth: Mildenhall