PKSC001 Low Relief Hardened Aircraft ShelterThis highly detailed and scaled low relief model is based on the Cold War HASs at former RAF Upper Heyford, Oxfordshire, UK, where the structures are protected scheduled monuments of national and international importance. HASs can still be seen on active and former RAF airbases including Coningsby, Lossiemouth and Marham, Honington, Leeming and St Mawgan, Lakenheath, Alconbury, Bentwaters, MoD Boscombe Down, and at sites across Europe. The Low Relief