SpaceX Falcon Heavy to launch US Space Force’s secretive spaceplane

SpaceX Falcon Heavy rocket is poised to launch the U.S. Air Space Force’s secretive X-37B spaceplane, according to a recent service press release.

The Space Force’s secretive X-37B space plane, operated by the Department of the Air Force Rapid Capabilities Office in collaboration with the United States Space Force, is gearing up for its seventh mission, OTV-7, scheduled for launch on December 7, 2023, from Kennedy Space Center, Florida.

Notably, this mission marks a historic milestone as the X-37B will ride atop SpaceX’s Falcon Heavy rocket, recognized as the most powerful commercial rocket globally, under the designation USSF-52.

- ADVERTISEMENT - CONTINUE READING BELOW -

Lt. Col. Joseph Fritschen, the X-37B Program Director, expressed enthusiasm about pushing the boundaries of the spaceplane’s capabilities, stating, “We are excited to expand the envelope of the reusable X-37B’s capabilities, using the flight-proven service module and Falcon Heavy rocket to fly multiple cutting-edge experiments for the Department of the Air Force and its partners.”

X-37B Mission 7 aims to conduct experiments that include operating the spaceplane in new orbital regimes, testing future space domain awareness technologies, and exploring the radiation effects on materials provided by NASA. Gen. B. Chance Saltzman, Chief of Space Operations, emphasized the groundbreaking nature of these experiments, stating, “The X37B continues to equip the United States with the knowledge to enhance current and future space operations. X-37B Mission 7 demonstrates the USSF’s commitment to innovation and defining the art-of-the-possible in the space domain.”

Courtesy Photo

One noteworthy experiment onboard involves exposing plant seeds to the harsh radiation environment of long-duration spaceflight. Dubbed “Seeds-2,” this NASA experiment builds upon prior successes and contributes to the preparation for future crewed space missions.

The X-37B is the first vehicle since NASA’s Shuttle Orbiter with an ability to return experiments to Earth for further inspection and analysis.

X-37B Mission 6 was a pivotal mission that introduced a service module expanding the spacecraft’s capabilities, enabling it to host more experiments than any previous mission. It carried out experiments such as transforming solar power into radio frequency microwave energy and studying the effects of radiation on materials and seeds for food growth. FalconSat-8, a small satellite developed by the U.S. Air Force Academy, was also deployed during this mission.

William D. Bailey, the Director of the DAF RCO, highlighted the collaborative efforts with Boeing and the government team, emphasizing, “The X-37B government and Boeing teams have worked together to produce a more responsive, flexible, and adaptive experimentation platform. The work they’ve done to streamline processes and adapt evolving technologies will help our nation learn a tremendous amount about operating in and returning from a space environment.”

Readers who wish to follow our weekly coverage can subscribe to the Weekly Defense Roundup.

If you wish to report a grammatical or factual error in this article, please let us know by using the online form.

Executive Editor

Support The Defence Blog

Independent reporting takes resources. Join us on Patreon.

Become a patron

More Like This

Pentagon taps Viasat and Intelsat for $438M anti-jam satellite deal

The U.S. Space Force has awarded Viasat and Intelsat General Communications a combined $437.7 million contract to build satellites for the Protected Tactical Satellite...

U.S. Space Force expands Geost satellite sensor deal to $196M

The U.S. Space Force expanded a contract with Geost LLC on May 13, 2026, by nearly $90 million, pushing the total value of the...

U.S. Space Force picks ThinKom’s hidden satellite ground station

ThinKom Solutions has won the U.S. Space Force's "Fight Tonight" competition for 2026, beating out competing entries with a containerized satellite ground station designed...

Sweden launches its first military spy satellite

Sweden launched its first military reconnaissance and surveillance satellite into orbit at 9:00 a.m. Swedish time, marking the country's operational entry into the space...

SpaceX wins $57M Pentagon deal for military space comms

Space Exploration Technologies Corp., better known as SpaceX, has been awarded a $57.3 million contract by the U.S. Space Systems Command to develop and...