How much do you know about other Royal Navy teething troubles?

HMS Queen Elizabeth, which was found to be taking in water during sea trials.The news that the £3.1bn flagship vessel HMS Queen Elizabeth has sprung a leak brings back memories of other Royal Navy teething troubles as the fleet was modernised and had to get to grips with new technology.HMS Penzance, a Sandown-class mine countermeasures ship, misplaced an 850kg £750,000 mini-submarine in 2005.