This portion of our site is dedicated to the people and technology that have shaped military and aerospace history. Posts will be as simple as historic picture of the day to in-depth interviews. If you have an interesting story you’d like to share, please let us know.
On Sept. 11, 1941, construction of the US military’s headquarters — The Pentagon — begins with a ground-breaking ceremony on the site of the Hoover Field in Arlington, Va., that closed in June. The building came be be five-sided because it was initially to be located on a nearby plot of land that was an irregular pentagon. When the site was moved, the building — designed by architect George Bergstrom — was made symmetrical with five sides, five floor, five rings and two basements. It was finished on Jan. 15, 1943.