847 Naval Air Squadron is a squadron of the Royal Navy Fleet Air Arm. It operates AgustaWestland Wildcat AH.1 helicopters and provides armed reconnaissance and light transport support to 3 Commando Brigade Royal Marines. Along with 845 and 846 naval air squadrons, it forms part of the Commando Helicopter Force. The squadron was re-formed from 3 Commando Brigade Air Squadron on 1 September 1995. The unit is based at RNAS Yeovilton in Somerset, a Royal Naval establishment, with helicopters drawn from an Army Air Corps pool and flown by Royal Marines and Royal Navy aircrews.