Stanford Training Area (STANTA), originally known as Stanford Battle Area, is a British Army training area situated in the English county of Norfolk. The area is approximately in size; it is some north of the town of Thetford and south-west of the city of Norwich. The site is run by the Operational Training and Advisory Group (OPTAG). The area was used during the run-up to the D-Day invasion and since then has hosted many exercises. A regular visitor is 16 Air Assault Brigade who hold their annual Gryphon exercises there. There is a short landing strip for Harrier aircraft at