Let's Build The Pentagon

Construction of the Virginia headquarters of the U.S. Department of Defense began on September 11th, 1941 - spookily, the same date it was attacked by al-Qaeda six decades later. 

The massive five-sided building, a potent symbol of America’s military strength, became known as the Pentagon.

Featuring 4 million square feet of office space, the building was designed by George Bergstrom under the supervision of Leslie R. Groves, who was later chosen to head the Manhattan Project and build the atomic bomb.

In this episode, Arion, Rebecca, and Olly explain why the building’s racially segregated bathrooms were installed, but never used; reveal why, for a while, a ‘Pentagon project’ became a by-word for a white elephant; and consider whether a hot dog stand in the complex foxed the Soviets… 

Further Reading:

• ‘10 Things You Probably Didn’t Know About the Pentagon’ (U.S. Department of Defense, 2019): https://www.defense.gov/News/Feature-Stories/story/Article/1650913/10-things-you-probably-didnt-know-about-the-pentagon/

• ‘Pentagon Hot Dog Stand – Arlington, Virginia’ (Atlas Obscura, 2017): https://www.atlasobscura.com/places/pentagon-hot-dog-stand

• ‘FOX Business reveals 'stunning' new details about Pentagon's construction’ (FOX Business, 2022): https://www.youtube.com/watch?v=-tK6gIsMAgc

This episode first aired in 2023

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The Retrospectors are Olly Mann, Rebecca Messina & Arion McNicoll, with Matt Hill.

Theme Music: Pass The Peas. Announcer: Bob Ravelli. Graphic Design: Terry Saunders. Edit Producer: Ollie Peart

Copyright: Rethink Audio / Olly Mann 2025.

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