RSL-3, is a Remote Sprint Launch facility in

Cavalier County, North Dakota Cavalier County is a county in the U.S. state of North Dakota. It is south of the Canada–US border with Manitoba. As of the 2020 census, the population was 3,704, and was estimated to be 3,567 in 2024. The county seat and the largest city i ...

near

Concrete Concrete is a composite material composed of aggregate bound together with a fluid cement that cures to a solid over time. It is the second-most-used substance (after water), the most–widely used building material, and the most-manufactur ...

. It was listed on the

National Register of Historic Places The National Register of Historic Places (NRHP) is the Federal government of the United States, United States federal government's official United States National Register of Historic Places listings, list of sites, buildings, structures, Hist ...

in 2018. Part of the

Safeguard In international trade law, a safeguard is a restraint to protect home or national industries from foreign competition. In the World Trade Organization (WTO), a member may take a safeguard action, such as restricting imports of a product tempo ...

missile defense Missile defense is a system, weapon, or technology involved in the detection, tracking, interception, and also the destruction of attacking missiles. Conceived as a defense against nuclear weapon, nuclear-armed intercontinental ballistic mi ...

program, RSL-3 is one of four Remote Sprint Launch sites that were built in northeastern North Dakota as part of the

Stanley R. Mickelsen Safeguard Complex The Stanley R. Mickelsen Safeguard Complex (SRMSC) was a cluster of military facilities near Nekoma, North Dakota, that supported the United States Army's Safeguard anti-ballistic missile program. The complex provided launch and control for 30 LI ...

, the first anti-ballistic missile system built in the

United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...

. The site is open for public tours in the summer.

References

Military facilities on the National Register of Historic Places in North Dakota National Register of Historic Places in Cavalier County, North Dakota Anti-ballistic missiles of the United States Missile launchers {{NorthDakota-NRHP-stub