Appendix B: Technical glossary
Term | Description | Location |
| NB Article | ||
| 60 Group | Headquarters at Leighton Buzzard. Responsible for ground radar in Britain | NB Article NH Article |
| 75 Wing | Section of 60 Group | NB Article |
| 85 Group | Headquarters at Uxbridge | NB Article |
| A.F.S. | Auxiliary Fire Service | NB Article |
| A.M.E.S. | Air Ministry Experimental Station | NB Article |
| A.O.C. | Air Officer Commanding | NB Diary |
| B.D.S. | Base Defence Sector | NB Article |
| BSU | Base Signal Unit | NB Diary |
| C.H.L. | Chain, Home, Low | |
| C.O. | Commanding Officer | NB Article |
| COL | Chain, Overseas, Low | NB Diary |
| CSO | Chief Signals Officer | NB Diary |
| DCSO | Deputy Chief Signal Officer | NB Diary |
| D-Day | Day of the Allied invasion of France | NB Article |
| FO | Flight Officer | |
| IFF | Identification, Friend or Foe | NB Diary |
| IG | NB Diary | |
| L.A.C. | Leading Aircraftman | NB Article |
| M.N.O. | Medical Non Commissioned Officer | NB Article |
| M.O. | Medical Officer | NB Article |
| MSSU | Mobile Signals Service Unit | NB Diary |