This week, #DecipherCIA features Dice Cipher. In CIA's museum, there is a coded message hidden in a dice cipher, which is designed to look like dominoes, on the ceiling above the exhibition exploring CIA's role in conflict in Southeast Asia. As the threat of communism expanded into Southeast Asia, the US Government was convinced that if South Vietnam fell to communism, then all the neighboring countries would fall like a row of dominoes. CIA's all-source collection and analysis ultimately helped

Today we kick off #DecipherCIA, a new series highlighting a little-known feature of #CIA Museum – the coded ceiling! CIA's museum tells the Agency's history alongside a timeline of global events that helped shape the role and mission of CIA. Believe it or not, the ceiling above each section of the museum also tells a story through graphics and text that contain hidden messages. In the coming weeks, we will share each of the six ceiling code panels. We hope you will enjoy learning about different