Key
Heavy Anti-Aircraft Site | ![]() | Light Anti-Aircraft Site | ![]() | Airfield | ![]() | RDF Tower | ![]() |
Site No. | Name | OS Grid Reference |
H9 | Martlesham | TM 254 481 |
H10 | Brightwell | TM 251 427 |
Coding sequence integral with Harwich & Ipswich
Gun Strengths
Battle of Britain & the Blitz
Dates | 3 inch |
May 40 – May 41 | 4 |
Heavy AA Regiments known to have occupied sites in this GDA
Dates | Units |
Jun 40 – May 41 | 99 Heavy Anti-Aircraft Regiment |