CHF uses a combination of transport helicopters based at Royal Naval Air Station Yeovilton in Somerset, England.

[17] 845 NAS operated the Westland Sea King HC4 helicopter; a variant that has been specially modified for medium-lift transport and flying in all sorts of weather conditions and terrains.

845 NAS was temporarily stationed at RAF Benson in Oxfordshire as part of the Merlin transition until it relocated back to RNAS Yeovilton on 20 June 2016.

846 NAS was temporarily stationed at RAF Benson in Oxfordshire as part of the Merlin transition until it relocated back to RNAS Yeovilton on 26 March 2015.

[5] In March 2016, 846 NAS was given the role of Maritime Counter Terrorism after the disbandment of 848 Naval Air Squadron and its Sea King HC4 helicopters.

In addition to the skills necessary to fly their missions, Commando Helicopter Force members are trained in small-arms use as well as tactics and survival fieldcraft.

Being a naval unit that was directly tasked with supporting the Royal Marines, trainees are also schooled in shipboard and amphibious assault operations.

[20] Aircrew, recruited from the Fleet Air Arm and Royal Marines, join the force having completed training in helicopter operations under No.