One question: A crewmember from Exeter told me about one of their Sea Darts launched on 30th may, flying over HMS Avenger. Is it true?
Not exactly, I went to a briefing with Hugo White CO of Avenger (later Rear Adm). Avenger had fired both chaff charlie and chaff delta and had seduced the Exocet fired at her. Exeter was 18NM north east and locked on to the A4 flight following the Exocet. She fired three Sea Dart, the first was seen to miss, the second and third both recorded confirmed kills, confirmed by the Argentine Air Force.
The Exocet ditched at the end of its flight and the two remaining Skyhawks made unsuccessful attacks on Avenger scoring no hits. Invincible was was 22 miles from Exeter which was controlling the engagement which was broadcast over link 10. Exeter had the latest ADAWS kit, plus a highly effective type 1022 volume search radar. At no time was the Exocet in range of Hermes or Invincible
The rest is history.