The Pentagon: From Construction to Symbol of Resilience
Discover the Pentagon's evolution from a wartime construction marvel to a symbol of military strength and resilience in America.

The Birth of a Military Icon
The Pentagon, located in Arlington, Virginia, stands as a monumental symbol of American military might. It was born out of necessity during World War II, designed to house the rapidly expanding War Department, which was grappling with an operational crisis. With 6.6 million square feet, it's one of the world's largest office buildings, proving indispensable for military coordination.
In May 1941, President Franklin D. Roosevelt requested a solution for the expanding War Department. Brigadier General Brehon B. Somervell proposed a groundbreaking design—a five-sided structure that would accommodate up to 40,000 personnel. The building’s unique shape arose from site limitations, forcing architects to innovate and create a facility that maximized utility.
Groundbreaking on the Pentagon occurred on September 11, 1941, and the construction rapidly accelerated following the attack on Pearl Harbor. By April 1942, parts of the building began welcoming employees. Despite budget overruns, the construction process galvanized the nation’s spirit, as thousands contributed to a project deemed essential for the war effort.
The Pentagon shifted from a wartime necessity to a lasting symbol of U.S. military power as Cold War tensions heightened. By transforming from a headquarters during the war to an iconic landmark, the Pentagon encapsulates America's military evolution. Today, it remains a focal point of discussions on defense, liberty, and national unity.
Design Challenges and Construction Timeline
The Pentagon's unique five-sided design was born out of necessity. Positioned across from Arlington National Cemetery, the asymmetrical shape was influenced by existing roadways which limited construction options. Architects had to navigate these constraints while also addressing the necessity for a vast building, leading to a design that would accommodate future military expansion.
Construction on the Pentagon commenced on September 11, 1941, and swiftly moved forward. Despite initial setbacks, the urgency of World War II fueled rapid development. With over 15,000 workers operating around the clock, the massive structure was erected in record time, officially opening on January 14, 1943.
The Pentagon in Wartime and Peace
The Pentagon was a hub of military activity during World War II, symbolizing America's commitment to victory. Constructed rapidly after President Franklin D. Roosevelt's approval in 1941, the building quickly became home to thousands of military personnel. Its expansive design and innovative structure allowed efficient operations during a time when the nation was mobilizing for war.
Following World War II, the Pentagon's role evolved into a commanding presence amidst Cold War tensions. With military strategy shifting to counter the Soviet Union, the facility became central to national security. In 1947, the establishment of the Department of Defense further solidified its importance in coordinating military branches during critical global conflicts.
As the Vietnam War escalated, the Pentagon became a flashpoint for antiwar demonstrations. In 1967, thousands protested against U.S. involvement in Southeast Asia, viewing the building as a representation of government militarism. Despite the turmoil, it remained a vital command center, reflecting the complexities of public sentiment towards military engagement.
The events of September 11, 2001, marked a turning point for the Pentagon, which suffered a direct attack from a hijacked plane. The subsequent Phoenix Project aimed to restore and enhance the building, symbolizing American resilience. Renovations not only ensured structural integrity but addressed new security needs for a post-9/11 world.