Commando Helicopter Force (CHF) is a group of 4 squadrons and supporting elements, integrated under the command of an HQ, established to operate helicopters in support of the UK armed forces. It is a combined Royal Navy/Royal Marine force flying Sea King and Lynx helicopters and specializes in amphibious warfare. The Force operates world wide from its base at Royal Naval Air Station (RNAS) Yeovilton in Somerset.

The four Squadrons consist of:

845 Naval Air Squadron

846 Naval Air Squadron

847 Naval Air Squadron

848 Naval Air Squadron

Commando Helicopter Force