Hypersonic Testbed
Hypersonic Testbed

Gain flight heritage with frequent reentry

Varda’s hypersonic flight test bed is the off-the-shelf method to reproduce the most challenging hypersonic and reentry flight environments without building a costly dedicated representative test vehicle. You gain flight heritage through Mach 25 and advance your TRL.

Capabilities

Affordable, frequent, and recoverable high-hypersonic flight testing

Varda’s orbital capsule enters the atmosphere at 18,000 miles per hour. The capsule hits Mach 25+ on every mission before landing by parachute on Earth. This offers a real flight environment for hypersonic reentry vehicle subsystems such as thermal protective materials, navigation, communication, and sensors. Test as you fly, fly as you test.

Mach 25+ Flight

It is impossible to replicate the coupled aero-thermal-chemistry conditions at high-hypersonic flights on the ground.

High Heat Flux

Varda’s capsule experiences sustained plasma conditions in flight: 300W/cm² heat flux. 18,000K+ in the flow field.

Affordable

Our commercial customers require low cost reentry, leading to cost benefits for government missions.

Recoverable

High-fidelity data and simplified post-flight analysis on payload.

Frequent

By 2026, Varda expects a monthly reentry cadence between government and commercial demand.

Reliable

Our commercial business relies on successful recovery of the capsule, every mission, every time.

Configurable Payload

Varda’s payload capacity allows over 100W of power, tens of kilograms of internal mass, and plenty of area for TPS.

Increase TRL

Gain flight heritage where it matters most. Build confidence in transitioning capability.

Capsule

Frequent reentry, from orbit to Earth

Varda’s capsule is designed for rapid iteration and high production rates. We dream of reentry becoming as commonplace as launch and space just another location to manufacture. Modular in design and ready-built for materials rather than humans—our capsule completes the space logistics chain.

Capabilities
Why now?

The missing link in agile aerospace

The hypersonic test regime currently lacks real-world testing environments and the rapid cadence required to derisk our most advanced aerospace vehicles. Ground testing overly simplifies the coupled flight environment at high Mach speeds, and representative test vehicles are infrequent and expensive. Varda’s capsule offers true-to-flight conditions offering a path to quickly gain flight heritage when it matters most.

Explore platform

Computational design

Quick but potential inaccuracies

Ground testing (wind tunnel or other)

Short duration and false atmospherics

Varda flight test

Affordable, frequent, true environments

Representative flight test

Accurate but very expensive and infrequent

Mission Profile

Real world conditions that maximize your learning

With a modular design, flexibility to launch on rideshare or dedicated flights, your mission profile is configurable to your exact requirements.

Commercial launch

Varda’s capsules are launched into orbit aboard commercial launch vehicles with dedicated options available.

Orbital operations and repositioning

Varda is able to gather relevant payload data while in orbit, before repositioning for terrestrial reentry.

Ballistic reentry

Once in position, Varda's capsule performs its reentry burn setting the capsule on a ballistic trajectory, starting at Mach 25, before releasing its parachutes once at terminal velocity. It's this phase in flight where the majority of information for the reentry and hypersonic community will be gathered.

Recovery

Varda’s capsule, and all relevant sensors and materials land terrestrially meaning data units, and materials that experienced reentry can be easily recovered and analyzed.

Research

Explore the science

NASA's Cold Atom Laboratory: Five Years of Quantum Science Operations in Space

Kamal Oudrhiri, James M. Kohel, Nate Harvey, James R. Kellogg, David C. Aveline, Roy L. Butler, Javier Bosch-Lluis, John L. Callas, Leo Y. Cheng, Arvid P. Croonquist, Walker L. Dula, Ethan R. Elliott, Jose E. Fernandez, Jorge Gonzales, Raymond J. Higuera, Shahram Javidnia, Sandy M. Kwan, Norman E. Lay, Dennis K. Lee, Irena Li, Gregory J. Miles, Michael T. Pauken, Kelly L. Perry, Leah E. Phillips, Sarah K. Rees, Matteo S. Sbroscia, Christian Schneider, Robert F. Shotwell, Gregory Y. Shin, Cao V. Tran, Michel E. William, Oscar Yang, Nan Yu, Robert J Thompson, Jason R. Williams, Diane C. Malarik, DeVon W. Griffin, Bradley M. Carpenter, Michael P. Robinson, Kirt Costello
Study
Mar 8, 2026
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Return of OSPREE: In Situ Spectroscopic Measurements During Atmospheric Reentry

Ashwin P. Rao, Jack D. Crespo, Paolo Valentini, Vanessa J. Murray, Erin I. Vaughan, Zach S. Davis, Robert Alviani and Marat Kulakhmetov
Study
Dec 16, 2025
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Developing the OSPREE Payload for Spectroscopic Measurements of a Mach 25+ Plasma Sheath

Ashwin P. Rao, Jack D. Crespo, Paolo Valentini, Jonah B. Taylor, Vanessa J. Murray, Erin I. Vaughan, Robert Alviani and Marat Kulakhmetov
Study
Mar 10, 2025
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Effects of microgravity on human iPSC-derived neural organoids on the International Space Station

Davide Marotta, Laraib Ijaz, Lilianne Barbar, Madhura Nijsure, Jason Stein, Nicolette Pirjanian, Ilya Kruglikov, Twyman Clements, Jana Stoudemire, Paula Grisanti, Scott A Noggle, Jeanne F Loring, Valentina Fossati
Study
Oct 23, 2024
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Optimizing Optical Emission Measurements on the Varda Hypersonic Testbed Vehicle

Marat Kulakhmetov, Robert Alviani, Ashwin P. Rao, Vanessa J. Murray, Jonah B. Taylor, Jason G. Seik, and Erin I. Vaughan
Study
Aug 2, 2024
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A meta-analysis of semiconductor materials fabricated in microgravity

Ashley R. Wilkinson, Frances Brewer, Hannah Wright, Ben Whiteside, Amari Williams, Lynn Harper & Anne M. Wilson
Study
Jun 26, 2024
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