St Faith was made available to the United States Army Air Forces for use by the Eighth Air Force. The USAAF designated the airfield as Station 123 (HF). USAAF Station Units assigned to RAF Horsham St Faith were: 469th Sub-Depot 18th Weather Squadron 60th Station Complement Squadron Headquarters (96th Combat Bomb Wing) Regular Army Station Units included: 1080th Signal Company 1105th Quartermaster Company 1119th Military Police Company 13th Special Services Company 1686th Ordnance Supply & Maintenance Company 858th Chemical Company 319th Bombardment Group (Medium) The first USAAF tenants at the airfield was the 319th Bombardment Group (Medium), arriving from RAF Shipdham on 4 October 1942. Flying the Martin B-26 Marauder medium bomber, the group stayed until 11 November when the group reassigned to Twelfth Air Force as part of the North African Campaign at Saint-Leu Airfield, Algeria. The airfield then lay unused over the winter. 56th Fighter Group With the departure of the Marauders to North Africa, the next USAAF group to use Horsham St Faith was the 56th Fighter Group, transferring from RAF Kings Cliffe on 6 April 1943. The group consisted of the following squadrons: 61st Fighter Squadron (HV) 62d Fighter Squadron (LM) 63d Fighter Squadron (UN) The group entered combat with a fighter sweep in the area of St Omer on 13 April 1943, and flew numerous missions over France, the Low Countries, and Germany to escort bombers that attacked industrial establishments, V-weapon sites, submarine pens, and other targets on the Continent. On 8 July, the group had to move to RAF Halesworth when work started on enlarging Horsham St Faith for use as a heavy bomber station with hard surface runways and concrete hardstands and a perimeter track. The move was not particularly popular with the men of the 56th who had to give up the comparative comfort of Horsham's barracks for the temporary hut (and muddy) accommodations at Halesworth. 458th Bombardment Group (Heavy) With runway construction finished, The 458th Bombardment Group (Heavy), arrived at Horsham St Faith late in January 1944 from Tonopah Army Airfield Nevada. The group flew its first mission on 24 February with Consolidated B-24 Liberators. On 2 March a heavily loaded bomber taking off crashed on nearby Hellesdon which was under the flightpath. In September 1944, like other bomber groups in the area it participated in shipping fuel for American forces to France. The group flew its last combat mission on