 During 2014, 820 NAS was temporarily assigned to the Commando Helicopter Force until the two main troop carrying squadrons fully convert to the Merlin HC.4.820 NAS has now become the "queens squadron" and will be the main squadron to operate on the Queen Elizabeth class aircraft carrier.3 Merlins from 820 NAS were deployed off as the UK's response towards the 2014 Ebola virus.