Royal Naval Air Station Yeovilton, or RNAS Yeovilton, (HMS Heron) is an airfield of the Royal Navy and British Army, sited a few miles north of Yeovil, Somerset. It is one of two active Fleet Air Arm bases and is currently home to the Royal Navy Wildcat HMA2 and Army Air Corps Wildcat AH1 helicopters as well as the Royal Navy's Commando Helicopter Force Merlin HC3/3A/i3 and Wildcat AH1 helicopters. The site consists of 1,000 acres of airfield sites plus ranges and minor estates.