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Adams County OKs lease with Boom Supersonic for engine testing at Colorado Air and Space Port
Summary
The Board of County Commissioners approved a lease allowing Boom Supersonic to use an existing engine-test facility at the Colorado Air and Space Port. The five‑year lease (with renewal options) covers a roughly 30,000‑square‑foot site; Boom plans immediate installation and $3–$5 million of investment to test a prototype engine core.
The Adams County Board of County Commissioners on April 22 approved a resolution authorizing a land lease with Boom Supersonic for use of an existing aerospace testing facility at the Colorado Air and Space Port (CASP).
The lease covers a roughly 30,000‑square‑foot fenced testing site on the east side of CASP that was built in 2017 and previously used by Reaction Engines. For 2026 the lease payment is listed as $25,003.44; the approved term is an initial five years with five one‑year renewal options and standard CPI escalation clauses, county staff said.
Why it matters: Boom said the site will host early testing of the company’s Symphony “sprint core,” a prototype section of its Overture engine that the company intends to scale toward a full‑size supersonic passenger engine. Boom representatives told the board they expect to place about 15 engineers on site and invest roughly $3 million to $5 million in the facility over the next 12 months.
Jeff Kloska, director of the Colorado Air and Space Port, introduced the item and described the site history, saying Reaction Engines ceased operations and the county took possession of the testing assets after their lease ended. "The site is roughly a 30,000 square feet with existing building command module," Kloska said during his presentation.
Dave Smay, director of labs for Boom Supersonic, and Nate Hepler, the project’s lead project manager, described the company’s timetable and technical focus. Smay said the company will use the existing infrastructure "to do our initial testing and learning on that core to enable us to go develop the full size engine down the road." He described the Overture aircraft concept and the Symphony core the company will be testing.
Board members expressed support for the project and its potential local benefits, including workforce and education partnerships. Commissioner Mullica said she was "excited about this project" and praised the economic-development potential. Commissioners also thanked county staff and the applicant; the motion to approve the lease passed 5–0.
Next steps: Boom intends to start site work immediately on data infrastructure and other preparations for testing; the company and county staff said further construction and fuel‑handling work will follow required permits and site preparations.
Votes at a glance: The resolution approving the Colorado Air and Space Port land lease with Boom Supersonic was approved on a motion that passed 5–0.
Sources: Presentation and remarks by Jeff Kloska (Director, Colorado Air and Space Port), Dave Smay (Director of Labs, Boom Supersonic), Nate Hepler (Project Manager, Boom Supersonic); county staff lease summary.
