RAF Narborough was a military aerodrome in Norfolk operated in the First World War. It opened on 28 May 1915, originally as a Royal Naval Air Station for RNAS Great Yarmouth tasked with defending against Zeppelin raids. The airfield covered a 908-acre (3.67 km²) site, including 30 acres (120,000 m²) of buildings - making it the largest First World War airfield in Britain.