Thurs 11, Fri 12 & Sat 13 March 2021 Timed admission Churchill War Rooms Tickets on sale soon Operation Black Door takes over Churchill War Rooms on Thursday 11 March, Friday 12 March 2021 and Saturday 13 March 2021. Diplomacy, Decisions, Intelligence and Misinformation. Will you have what it takes? Take part in this new immersive after-hours experience, Operation Black Door, and uncover the secrets of Churchill’s wartime bunker, in the rooms that made history. You’ve been hired as an operative at a top-secret government department. The official secrets act has expired for one night only. Your mission is to investigate the secrets hidden at Churchill War Rooms. Walk the corridors, explore the rooms and meet wartime figures to extract information and discover exactly what happened below the streets of Westminster during the Second World War. Take one of five routes, each with their own unique missions and story to uncover. Explore this underground labyrinth, complete challenges and reveal the stories of the unsung workers who helped achieve victory from the Cabinet War Rooms.