 This is because she is made of glass-reinforced plastic and all fixtures within the ship are made of non-ferrous metals, keeping the ship's magnetic signature to the bare minimum.In January 2012, "Chiddingfold" began a year-long mid-life upgrade project, including the replacement of her engines, gearboxes, propellers and an upgraded thruster system; she was the first vessel of her class to undergo the refurbishment.In June 2014, "Chiddingfold" sailed in company with for a three-year deployment in the Gulf.