This new issue by the Ascension Island Post Office marks the 70th Anniversary of the formation of what is now the Royal Air Force Search and Rescue Force.
The stamps designed by Robin Carter feature:
35p - Sea King Helicopter and Short Belfast
40p - Westland Sea King HAR3 (XZ593)
90p - Sea King XZ593 and HMS Dumbarton Castle
£1 - Sea King XZ593 and Fleet Submarine, HMS Spartan
£2.50 - Sea King XZ593 and RMS QUEEN ELIZABETH 2 (Souvenir Sheet)