The pentagon shape sign is a symbol of military power and national security, representing the Pentagon, the headquarters of the US Department of Defense. Entities with close proximity to the sign include the DoD, Army, Navy, and GSA, which are directly related to the Pentagon’s functions and security. The sign, designed by Frank Lloyd Wright during World War II, symbolizes the five-pointed star of national security and embodies the vision of President Eisenhower, who played a pivotal role in its design and construction. Today, the Pentagon Tours and Visitor Center provide public access and insights into the historical and architectural significance of this iconic symbol.