What lessons could battleship designers learn from HMS Vanguard after 1946?
Short answerThe Lions are preferred for their expected space for future upgrades, with Vanguard characterized here as a fully armoured battlecruiser.
NotesThe lesson proposed from Vanguard is that the Royal Navy should have completed the Lions. They are expected to have offered more room for later upgrades. Vanguard is characterized here as a fully armoured battlecruiser, while the Lions are treated as fast battleships.