Lesson 6: Project A119 (1958)
Plan to Nuke the Moon
In 1958, the United States developed a top-secret plan to detonate a nuclear bomb on the surface of the Moon.
The Reality
Not Science Fiction
- This was not science fiction.
- It was a serious military study conducted by the U.S. Air Force.
1957
Sputnik Panic
To understand this plan, you have to understand the mood of 1957.
- Spark: The Soviet Union launched Sputnik, the first artificial satellite.
- Fear: America was terrified that the Soviets were winning.
- Reaction: The U.S. government felt they needed to do something big and terrifying to prove they were still the top superpower.
Psychological Warfare
Goal: Mushroom Cloud
The project was officially titled “A Study of Lunar Research Flights.” The goal was psychological warfare, not science.
- Visibility: They wanted the explosion to be visible to the naked eye from Earth.
- Target: They planned to hit the “Terminator Line.”
- Effect: This line is the border between the light and dark side of the moon. Hitting this spot would make the sun backlight the dust cloud so everyone on Earth could see it glow.
The Apprentice
Carl Sagan
The team needed a mathematician to calculate how the dust cloud would expand in space. They hired a young graduate student named Carl Sagan.
The End
Why It Stopped 🛑
The project was eventually canceled. It was not because they thought it was morally wrong. They stopped for two practical reasons.
- Safety Risk: They were terrified the rocket might explode on the launchpad. This would detonate a nuclear weapon on American soil, likely in Florida.
- Bad PR: They realized poisoning the moon with radiation might look bad to the rest of the world. They decided landing a man on the moon would be a better victory than blowing it up.
What This Proves
Project A119 destroys the idea that the space program was founded on peaceful exploration.
- First Instinct: The very first instinct of the government was not “How do we study it?”
- Real Instinct: The first question was “How do we weaponize it?”
Reiffel, Leonard: Interview with The Observer (2000) | U.S. Air Force: A Study of Lunar Research Flights
Broad, William J: “U.S. Planned Nuclear Blast on the Moon” (NYT) | Davidson, Keay: Carl Sagan: A Life
Nature: “Nuclear moon-bomb plan revealed” | UN Outer Space Treaty (1967)