Hidden in Plain Sight

During the Cold War, a vast arsenal of nuclear missiles were placed in the Great Plains. Hidden in plain sight, for thirty years 1,000 missiles were kept on constant alert; hundreds remain today. The Minuteman Missile remains an iconic weapon in the American nuclear arsenal. It holds the power to destroy civilization, but is meant as a nuclear deterrent to maintain peace and prevent war. Read More

Glass dome inside a chainlink compound covered by gravel in the middle of a prairie
Current Operating Conditions

Learn more about what facilities and services will be available during your visit.

Man in gray shirt and green pants pointing on a large map on the wall
Operating Hours and Season

***Please Be Aware*** The park will NOT be changing days of operation. The park will remain open Tuesday-Saturday.

Stuffed turtle character sitting on a bench with a junior ranger booklet and patch beside him.
Be a Junior Missileer!

Earn your Junior Missileer patch, just like Bert the Turtle! Download your book directly from our website.

A short narrow room with green and gray computer racks and two red chairs
Watch a Tour of Delta-01!

Can't get tickets to tour Delta-01? In this video, you can go underground with Ranger Jim to tour the Launch Control Center.

View down a round silo with a missile
Visit a Nuclear Missile at Delta-09

The Delta-09 missile silo allows a rare opportunity to view a nuclear missile once on constant alert during the Cold War.

View through a large fenced gate to a building beyond
Visit Delta-01

Walk to the gate of the facility that once controlled ten nuclear missiles the ten missile of Delta Flight.

A group of people in a small room with electronic panels.
Reserve Your Tour of Delta-01

Tours of the Delta-01 Launch Control Facility are offered daily. Advanced reservations are required for all guided-tours.

Screenshot of virtual tour showing an underground space
Virtual Tours

Visit the front line of the Cold War from the comfort of your digital device. Go behind the scenes inside Delta-01 and Delta-09.

Ranger standing next to a missile silo listening to a tour on his cell phone
Delta-01 and 09 Audio Tours

The Delta-01 and 09 audio tours tell the story of the historic sites. Can be done at the sites or at your convenience

Area map showing location of three park units
How To Find Us

Like the missile field itself, the park is hidden in plain sight immediately adjacent Interstate 90. Find the best directions here.

Last updated: May 17, 2024

Park footer

Contact Info

Mailing Address:

24545 Cottonwood Road
Philip, SD 57567


605 433-5552

Contact Us