English HMS Sardonyx (1919) Cited by user Simongraham on 16 Jun 2022 HMS Sardonyx was an destroyer, which served with the Royal Navy in the Second World War.
English HMS Sardonyx (1919) Cited by user Simongraham on 16 Jun 2022 HMS Sardonyx was an destroyer that served with the Royal Navy in the Second World War.
English Radar Research and Development Establishment Cited by user Citation bot on 20 Sep 2020 The Radar Research and Development Establishment, RRDE for short, was a civilian research organization run by the United Kingdom's Ministry of Supply that primarily…
English IFF Mark III Cited by user Citation bot on 19 Sep 2020 IFF Mark III, also known as ARI.5025 in the UK or SCR.595 in the US, was the Allied Forces standard identification friend or foe (IFF) system from 1943 until well after…