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Delivering sustainable infrastructure and environmental solutions for defense clients

Tetra Tech provides services for the full life cycle of installations.

Tetra Tech’s C4I expertise enables support for complex DoD systems.

Tetra Tech’s Colby Hoefar discusses how Tetra Tech uses the latest technology to help defense clients optimize their facilities.

Tetra Tech has been Leading with Science® on worldwide defense programs for more than 50 years. Our innovative consulting and engineering experts leverage global resources to provide context-appropriate solutions, design sustainable infrastructure, and protect and restore the environment. Learn more.


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Our featured defense services highlights

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Colby Hoefar Discusses Optimizing the Asset Life Cycle

Headshot of Jason J. Cook

Jason J. Cook Discusses the Importance of Industrial Control System Cybersecurity

Headshot of Dave George

Dave George Discusses Architecture and Engineering Program Management

Headshot of Brian Thorne

Brian Thorne Discusses Planning and Designing Military Infrastructure

Large-scale flooding in an urban area of the United States submerges streets and impacts infrastructure

Building Broad-based Resilience in Our Facilities, Installations, and Cities

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Tetra Tech Wins 2022 Dwight D. Eisenhower Award, Excellence in the Services Category 

Explore our defense solutions

Our innovative consulting and engineering experts put science at the forefront of our projects, using the latest tools and technologies to solve the world’s most complex problems.

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Our people around the world are supporting our mission and vision for a sustainable world. Join us today.

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