 In British service , the Westland Sea King provided a wide range of services in both the Royal Navy and the Royal Air Force . As well as wartime roles in the Falklands War , the Gulf War , the Balkans conflict , the Iraq War and the Afghanistan War , the Sea King is perhaps most well known in its capacity as a Royal Navy Search and Rescue ( red and grey livery ) and RAF Search and Rescue Force ( yellow livery ) helicopter . The Sea King was also adapted to meet the Royal Navy 's requirement for a ship @-@ based airborne early warning platform . 
