Sierra Space Reinvents Space Transportation with Dream Chaser®

Successful Pre-Flight Testing Completed at NASA’s Neil Armstrong Test Facility

Dream Chaser Tenacity Prepares for Transfer to NASA’s Kennedy Space Center in Florida

Company Releases Stunning New Images of Dream Chaser in NASA’s Thermal Vacuum Chamber

Sierra Space, a leading commercial space company and emerging defense tech prime building a platform in space to benefit and protect life on Earth, announced today the successful completion of a rigorous environmental test suite on the revolutionary Dream Chaser® spaceplane, Tenacity®, at NASA’s Neil Armstrong Test Facility in Sandusky, Ohio.

This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20240509479194/en/

The first in a fleet of spaceplanes, Dream Chaser Tenacity and its Shooting Star cargo companion are shown stacked inside a thermal vacuum test chamber at NASA’s Neil Armstrong Test Facility on April 26, 2024. (Photo: Joshua Teplitz/Sierra Space)

The first in a fleet of spaceplanes, Dream Chaser Tenacity and its Shooting Star cargo companion are shown stacked inside a thermal vacuum test chamber at NASA’s Neil Armstrong Test Facility on April 26, 2024. (Photo: Joshua Teplitz/Sierra Space)

As the first Dream Chaser moves toward orbital operations, Sierra Space and NASA test team members are preparing the vehicle, along with its Shooting Star® cargo companion, for shipment to NASA’s Kennedy Space Center in Florida for final testing and integration ahead of its inaugural launch later this year.

“Successful completion of an incredibly rigorous environmental testing campaign in close partnership with NASA is a significant milestone and puts Dream Chaser on track for operations later this year,” said Sierra Space CEO, Tom Vice. “This is the year that we transition from rigorous research and development to regular orbital operations and – in doing so – transform the way we connect space and Earth.”

Over the past several months, Dream Chaser and Shooting Star have undergone intense shock, vibration and thermal vacuum testing at the sprawling Armstrong Test Facility. In December, the test teams conducted shock tests with Sierra Space’s launch partner United Launch Alliance (ULA), using the flight separation system that will deploy the spacecraft from the upper stage of ULA’s second Vulcan Centaur rocket.

The two vehicles were then stacked in launch configuration on the world’s most powerful spacecraft shaker table inside the test center’s Mechanical Vibration Facility. Sine vibration testing – conducted over a five-week period – simulated the intense conditions and environment of a launch on a Vulcan Centaur rocket. See video here. After vibe testing concluded, the teams conducted another shock test – this time with the flight separation system between Dream Chaser and Shooting Star – to simulate the dynamic environment during separation of the two vehicles prior to de-orbit and re-entry.

Next, the Sierra Space and NASA test teams transported the vehicles to the In-Space Propulsion Facility at Armstrong for thermal vacuum or “TVAC” testing. Temperatures in space can range from the extremely cold – hundreds of degrees below freezing – to several hundred degrees Fahrenheit due to radiation from the sun. TVAC testing is a realistic thermal simulation of the flight environment and critical to ensuring mission success. For more than five weeks, Dream Chaser and Shooting Star were subjected to multiple cold-hot cycles in a vacuum environment, between -150F to +250F, with teams conducting functional tests at temperature plateaus to verify system performance. Sierra Space is releasing some stunning new imagery with this announcement and you can download it here.

Dream Chaser and Shooting Star will soon be transported to NASA’s Kennedy Space Center and staged inside the storied Space Systems Processing Facility (SSPF) – originally built to be the last stop for components of the International Space Station – for final integration and testing. The final environmental tests – acoustic testing and electromagnetic interference and compatibility testing – will be performed onsite inside the SSPF. Remaining work on the thermal protection system will also be completed there.

Dream Chaser Tenacity, the first in a fleet of spaceplanes, remains on track for a 2024 launch on the first of seven missions to resupply the International Space Station for NASA under a Commercial Resupply Services-2 (CRS-2) contract. A second spaceplane, named Reverence™, is in production in Sierra Space’s Louisville, Colo., factory.

Armstrong Test Facility is part of NASA’s Glenn Research Center in Cleveland. Located on 6,400 acres in Sandusky, Ohio, it is home to some of the world’s largest and most capable space simulation test facilities, where ground tests are conducted for the U.S. and international space and aeronautics communities.

About Sierra Space

Sierra Space is a leading commercial space company at the forefront of innovation and the commercialization of space in the Orbital Age®, building an end-to-end business and technology platform in space to benefit life on Earth. With more than 30 years and 500 missions of space flight heritage, the company is reinventing both space transportation with Dream Chaser, the world’s only commercial spaceplane, and the future of space destinations with the company’s inflatable and expandable space station technology. Highly scalable and flexible, this innovative “softgoods” technology will define a new generation of space stations. Sierra Space also builds and delivers a host of systems and subsystems across solar power, mechanics and motion control, environmental control, life support, propulsion and thermal control, offering myriad space-as-a-service solutions for the new space economy.

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