1792
Last lighthouse completed
1853
Submarine cable Orford Ness - Scheveningen
1914
War Office purchases Orford Ness
1915
Airfield established
june 1917
Zeppelin shot down
1919
100' hangar built
1924
ON re-opened as Martlesham O/S
1928
Black Beacon built by RAE
1929
Bomb ballistics using dugout
1933
Bomb Ballistic Building built http://irgon.org/bomb-ballistics