Wattisham Airfield is the biggest centralised operational Army Airfield in the UK, located next to the small village of Wattisham in Suffolk, England. It is home to 3 Regiment Army Air Corps and 4 Regiment Army Air Corps. They are part of 16 Air Assault Brigade, whose headquarters is at Colchester. They fly the Westland WAH-64 Apache, as well as the Westland Lynx helicopters. There is a museum on site which tells the history of the airfield and this is open on Sundays during April to October.