Although not every HM Ship has a motto and not include as part of the Official Admiralty Badge design, ship mottoes a word or phrase that describes the name or intensions of a ship have existed for many years!
Here are a few battlecruiser/battleship mottoes.
HMS Anson
never dispair
HMS Barham
all good, or nothing
HMS Duke of York
shame to he who thinks evil of it
HMS Hood
with the following winds
HMS Howe
gods will' be done
HMS Iron Duke
fortune is the companion of war
HMS Malaya
i bring evil to evil
HMS Nelson
let him who bears the palm deserve it
HMS Prince of Wales
i serve
HMS Queen Elizabeth
always the same
HMS Ramillies
faithfull throughout adversity
HMS Renown
guardian of ancient renown
HMS Repulse
who touches me is broken
HMS Resolution
to a finish
HMS Revenge
shines with untarnished honour
HMS Rodney
eagles dont breed doves
HMS Royal Oak
old but firm
HMS Royal Sovereign
lead the fleet, follow the king
HMS Valiant
valiant and vigilant
HMS Warspite
despise the hardships of war