What problem was HACS (High Angle Control System) the answer to?
In short, HACS was the answer – in theory if not in practice – to the problem of controlling a ship’s anti-aircraft fire successfully against attacking aircraft. That is, to predict when and where to fire anti-aircraft weaponry in such a way that projectile and aircraft arrive at the same place in the sky at […]
A better use for the R Class Battleships: Convoy Defence Ships
The five R Class – or Revenge Class – battleships came after the Queen Elizabeth Class and before the Nelson Class and were commissioned in 1916-1917: Revenge, Resolution, Royal Oak, Royal Sovereign and Ramillies. Royal Oak was a very early war loss – torpedoed in Scapa Flow in October 1939 – and the others were […]