Recognising that the broadcast had helped bridge the gap between government action and public understanding, fireside chats became a defining feature of Roosevelt’s leadership and over the next twelve years he would deliver a total of thirty broadcasts on subjects ranging from economic recovery to war.

Constructed of granite-lined concrete and reinforced with steel, the vault is located at the centre of the building. Gold began arriving in January 1937, transported by the U.S. Army in a series of high-security rail convoys.