Nerita Windsor

Nerita Windsor

Modified & Updated: 23 Sep 2023


The Peacekeeper missile is an iconic weapon that has played a significant role in the realm of military defense. Developed in the 1980s during the Cold War era, this intercontinental ballistic missile (ICBM) was designed to be a formidable deterrent against potential adversaries. With its advanced technology and unparalleled firepower, the Peacekeeper missile quickly became the backbone of the United States’ strategic nuclear arsenal.

In this article, we will delve into 18 intriguing facts about the Peacekeeper missile. From its development and capabilities to its impact on global security, we will explore the fascinating details behind this formidable weapon. So, let’s dive in and uncover the secrets of the Peacekeeper missile!

Table of Contents

What is a Peacekeeper Missile?

The Peacekeeper Missile is an intercontinental ballistic missile (ICBM) that was developed by the United States during the Cold War era to serve as a strategic deterrent.

Development and Deployment

The Peacekeeper Missile was developed by the U.S. Air Force and went into active service in It was designed to replace the aging Minuteman III missiles.

Range and Accuracy

The Peacekeeper Missile had a range of over 6,000 miles, allowing it to strike targets anywhere in the world with precision.

Multiple Independent Reentry Vehicles (MIRVs)

The Peacekeeper Missile was equipped with Multiple Independent Reentry Vehicles (MIRVs), which means it could carry and deliver several nuclear warheads to different targets simultaneously.

Height, Weight, and Dimensions

The Peacekeeper Missile stood approximately 71 feet tall and weighed around 195,000 pounds. Its diameter was about 7 feet.

Speed and Hypersonic Glide Vehicle

The Peacekeeper Missile had a top speed of around 15,000 miles per hour (Mach 20) and was capable of carrying a hypersonic glide vehicle.

Inactive Status

The Peacekeeper Missile was deactivated in 2005 as part of the Strategic Arms Reduction Treaty (START II) agreement between the United States and Russia.

Peacekeeper Rail Garrison

The Peacekeeper Rail Garrison was a mobile land-based launch system for the missile, which allowed for greater flexibility in deployment and launch locations.

Nuclear Warheads

The Peacekeeper Missile could carry up to ten independently targeted nuclear warheads, each with a yield of over 300 kilotons.

Cold Launch System

The Peacekeeper Missile featured a cold launch system, where the missile was ejected from its silo before igniting its engine.

Deactivation and Replacement

Following the deactivation of the Peacekeeper Missile, the Minuteman III missile now serves as the sole land-based ICBM in the United States’ strategic arsenal.

Testing and Evaluations

The Peacekeeper Missile underwent numerous tests and evaluations to ensure its reliability and accuracy, including various flight tests and target simulations.

Deterring Nuclear Conflict

The primary purpose of the Peacekeeper Missile was to deter potential nuclear conflict by providing the United States with a strong retaliatory capability.

Cost of Development

The development program for the Peacekeeper Missile cost approximately $11 billion, making it one of the most expensive weapons projects in U.S. history.

Credible Deterrent

The Peacekeeper Missile played a significant role in maintaining a credible nuclear deterrent during the final years of the Cold War.

Arms Control Treaties

The Peacekeeper Missile was subject to several arms control treaties, including the START I and START II agreements aimed at reducing nuclear weapons stockpiles.

Strategic Air Command

The Peacekeeper Missile was assigned to the U.S. Strategic Air Command, which was responsible for maintaining the country’s strategic nuclear forces.

Museums and Displays

Several museums and military sites across the United States feature displays and exhibitions showcasing the Peacekeeper Missile and its historical significance.


In conclusion, the Peacekeeper missile is a fascinating piece of weaponry with a rich history and impressive capabilities. Its role as a strategic deterrent during the Cold War showcased its power and effectiveness. With its advanced guidance systems, multiple independently targetable reentry vehicles (MIRVs), and long-range capabilities, the Peacekeeper was a force to be reckoned with.Today, the Peacekeeper missile may no longer be in active service, but its legacy remains. Its development and deployment mark a significant era in the field of missile technology and military strategy. As we continue to advance in warfare technology, it is important to remember the lessons learned from the Peacekeeper.While peace remains the ultimate goal, understanding the capabilities of weapons like the Peacekeeper missile allows us to better appreciate the delicate balance required for international security. As the world moves forward, we must strive for a future where conflicts can be resolved through peaceful means, rendering weapons of this magnitude obsolete.


Q: What is the range of the Peacekeeper missile?

A: The Peacekeeper missile had an impressive range of over 6,000 miles, allowing it to reach targets anywhere in the world.

Q: How many warheads could the Peacekeeper missile carry?

A: The Peacekeeper missile was capable of carrying up to 10 multiple independently targetable reentry vehicles (MIRVs), each with a different target, making it a highly versatile weapon.

Q: What was the purpose of the Peacekeeper missile?

A: The primary purpose of the Peacekeeper missile was to serve as a strategic deterrent during the Cold War, ensuring the United States had a credible threat of retaliation in case of a nuclear attack.

Q: When was the Peacekeeper missile developed?

A: Development of the Peacekeeper missile began in the late 1970s, and it was deployed for the first time in 1986.

Q: Is the Peacekeeper missile still in service?

A: No, the Peacekeeper missile was phased out of service in 2005. It was replaced by the Minuteman III missile in the United States’ nuclear arsenal.