The Pentagon isn't just a building; it's the unyielding nerve center of American military might, a five-sided titan in Arlington County, Virginia. As the headquarters for the U.S. Department of Defense (DoD), its sheer scale is astounding. Born from the urgency of World War II, it remains one of the world's largest office buildings by floor area, its distinctive five-sided shape a stroke of design genius meant to optimize the flow of its vast personnel. Within its walls reside the Secretary of Defense, the Joint Chiefs of Staff, and the leadership of every branch of the U.S. Armed Forces. This immense complex sprawls across 6.5 million square feet of floor space, interconnected by an incredible 17.5 miles of corridors. Its very existence was driven by the critical need to unify a DoD previously scattered across Washington, D.C., a colossal undertaking completed in record time, a true testament to the wartime effort. The Pentagon's story is deeply etched into the fabric ...