Northrop Grumman (ATK) Rocket Garden — Promontory, Utah

Discover the Northrop Grumman (ATK) Rocket Garden in Utah

Located in Promontory, Utah, the Northrop Grumman (ATK) Rocket Garden showcases towering solid rocket motors and aerospace artifacts at one of the most important propulsion test sites in the United States. This outdoor Industrial Exhibit & Visitor Experience allows visitors to view full-scale rockets and learn how solid rocket motors are designed, tested, and used in space launch systems and national defense.
Why it’s special: The Rocket Garden provides public access to real aerospace hardware displayed at an active propulsion campus, connecting Utah’s industrial history directly to modern spaceflight and missile technology.

History & Story of the ATK Rocket Garden

The Promontory site has been central to solid rocket motor development since the mid-20th century. Originally operated by ATK (Alliant Techsystems) and now part of Northrop Grumman, the facility has supported major U.S. programs including space launch vehicles and strategic defense systems. The Rocket Garden was created to interpret this legacy, displaying retired motors and components that represent decades of aerospace innovation developed in Utah’s remote desert environment.

What You’ll See & Do at the Northrop Grumman (ATK) Rocket Garden

• View full-scale solid rocket motors displayed outdoors

• Learn how solid rocket propulsion differs from liquid-fueled rockets

• Read interpretive signage explaining rocket design and testing

• Understand Utah’s role in national space and defense programs

• Photograph large aerospace artifacts set against the desert landscape

Hands-On Elements: Informational displays and interpretive signage; rockets are view-only.
Photo/Video Policy: Photography allowed throughout the Rocket Garden area.
Souvenirs & Extras: No on-site gift shop; nearby visitor centers may offer related educational materials.

Pricing of the Northrop Grumman (ATK) Rocket Garden

Adult price: $0 per adult (free)
Public access to the Rocket Garden is free.

Visiting information

Duration: 20–30 minutes
Age limits: All ages welcome
Accessibility: Outdoor paths are generally flat; limited amenities on site
Working hours: Open daily 9:00 AM–5:00 PM. Access may be restricted during special operations or events.

Nearby

• Golden Spike National Historical Park

• Promontory Mountains scenic viewpoints

• Great Salt Lake North Shore

FAQs About Visiting the Northrop Grumman (ATK) Rocket Garden

Is the Rocket Garden part of an active military facility?
The displays are located near an active propulsion test site, but the Rocket Garden itself is accessible to the public without entering restricted areas.

Are the rockets real or replicas?
The rockets on display are real, retired solid rocket motors used for testing and development.

Can visitors tour inside the Northrop Grumman facility?
No. The Rocket Garden is an outdoor exhibit only; internal facilities are not open to the public.

Is this a good stop for children interested in space?
Yes. The scale of the rockets and clear explanations make it especially engaging for kids and teens interested in science and engineering.

Does weather affect access to the Rocket Garden?
Severe weather or operational needs may temporarily limit access, as the exhibit is entirely outdoors.