Yannedis & Co Ltd. “Lion” – Troywood ROTOR R3 Bunker From the surface entrance level to the deepest command floor the bunker has over 100 Internal (single and double-leaf) timber doors; most of which are solid, heavy and fireproof that secure access to a warren of underground rooms and spaces. During the bunker’s 40 years of secret Cold War operations these doors were countlessly opened … Continue reading The Legacy of Troywood ROTOR R3 Bunker Doors