 However, they did not receive any reply.Rotherham decided to contact the Air Station directly on the Towed Target frequency and also fly directly to HMS Sparrowhawk's forward airfield, Sumburgh, where the Albacores were ready to intercept.Acting on Rotherhams's radio message, the Home Fleet were set to sea and engage the Bismarck and her escorts intercepting her at the Battle of the Denmark Straits.