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Sierra Space

Sierra Space marks 3rd testing milestone with USSF’s R-GPS satellite program

May 12, 2025

Sierra Space has accomplished another successful demo of the company’s Resilient GPS (R-GPS) technology for the USSF via an SSC contract. In this third milestone, Sierra Space demonstrated an early […]

Filed Under: Business Moves, Contracts, FlatSat Flight Software (Sierra Space)_, Military, Military Contracts, Reilient GPS (R-GPS), Sierra Space, Space Systems Command, Space Systems Command, U.S. Space Systems Command, United States Space Force (USSF)

Sierra Space demos resilient GPS satellite tech for USSF satellite program

April 1, 2025

Sierra Space has successfully demonstrated the company’s Resilient GPS (R-GPS) technology for the U.S. Space Force (USSF). This major accomplishment, generating all GPS navigation signals required for the R-GPS mission, […]

Filed Under: Demonstrations, General Dynamics, General Dynamics Mission Systems, GPS, Military, Resilient Global Positioning System (R-GPS), Sierra Space, Space Systems Command, Space Systems Command, U.S. Space Systems Command, United States Space Force (USSF), United States Space Systems Command

Sierra Space to advance cancer research on the inaugural Dream Chaser® Spaceplane mission to ISS

March 3, 2025

 Sierra Space has revealed new initiatives to advance research and development of biopharmaceutical solutions in LEO during the Dream Chaser spaceplane’s inaugural mission to the International Space Station (ISS)—the plans […]

Filed Under: Dreamchaser (Sierra Space), ISS, ISS Research, LEO, Merck, Sierra Space, Spaceplane

Sierra Space completes Vortex LH2 engine test campaign

February 17, 2025

Sierra Space has successfully completed the test campaign for the company’s fully integrated VR35K-A upper stage engine, under contract with Air Force Research Laboratory’s (AFRL), Rocket Propulsion Division at Edwards […]

Filed Under: 'Green', Kratos Defense & Security Solutions, Rocket Engine, Sierra Space, VORTEX Combustion Chamber

Sierra Space GPS satellite program reaches key milestone

January 20, 2025

Sierra Space has accomplished a key development milestone for the company’s Resilient GPS (R-GPS) program, marked by the successful completion of Systems Requirements Review (SRR). The SRR completion comes after […]

Filed Under: Business Moves, Contracts, LEO, Military, News, Resilient Global Positioning System (R-GPS), Sierra Space, SmallSat, SmallSat Builds, Smallsat Bus, Smallsat Contract, SmallSat Design, Smallsat Development, smallsats, Systems Requirement Review (SRR), United States Space Force (USSF)

Space Force awards four ‘Quick Start’ Resilient GPS agreements

September 26, 2024

The U.S. Space Force’s Space Systems Command awarded four agreements to Astranis, Axient, L3 Harris, and Sierra Space to produce design concepts for Lite Evolving Augmented Proliferation one of the Resilient Global […]

Filed Under: Astranis, Award, Axient, Business Agreements, Civil, Defense, GPS, GPS Receiver, L3Harris Technologies, Military, Military Agreements, Military Constellation, Military Smallsats, Sierra Space, Smallsat Fleet, U.S. Space Command, U.S. Space Force

Sierra Space pioneers new dolar array drive assembly options

August 6, 2024

Sierra Space has announced two new complementary products to support the growing satellite market. A new Solar Array Drive Assembly (SADA), with multiple options, and a new commercial variant of […]

Filed Under: LEO, News, Satellite Components, Sierra Space, smallsats, Solar Array Drive Assemblies (SADA), Solar Array Modules, Solar Arrays, Universal Microstepping Control Driver (UMCD)

Sierra Space heralds the firm’s leap in microgravity research + manufacturing

July 25, 2024

Sierra Space has announced that the company’s expandable space station technology successfully passed a seventh key validation test, and second full-scale structural test at NASA’s Marshall Space Flight Center in […]

Filed Under: Astro Garden®, Large Integrated Flexible Environment (LIFE®), Marshall Space Flight Center, News, Orbital Reef, Qualification Tests, Sierra Space, Space Station, Space Station Technologies, Validation

Sierra Space prepares for the 7th validation + 2nd structural tests of the firm’s space platform

May 5, 2024

Sierra Space has announced the company’s expandable space station technology is scheduled for he seventh key validation test,and second full-scale structural test in June at NASA’s Marshall Space Flight Center […]

Filed Under: Blue Origin, LEO, News, Orbital Reef, Sierra Space, Space Station, Space Station Modules, Space Station Technologies, Testing, Testing + Verification, Testing Campaign, Testing Facilities

Sierra Space launches Velocity, Horizon, and Titan satellite bus family

April 8, 2024

Sierra Space has launched the company’s new Sierra Space Eclipse satellite bus line. This cutting-edge series sets a new standard in Earth Observation (EO), servicing, mobility, logistics and communications. The […]

Filed Under: Cislunar, Cislunar Spacecraft, Constellation, Eclipse Satellite Bus (Sierra Space), In-Space Logistics, LEO / MEO, LEO / MEO / GEO, Logistics, Missile Warning, Missile Warning System, National Defense, On-Orbit Refueling, Product Launch, Rendezvous, Proximity Operations and Docking (RPOD), Satellite Deployment, Sierra Space, SmallSat, SmallSat Builds, Smallsat Calibration, Smallsat Communications, Smallsat Components, SmallSat Design, Smallsat Development, Smallsat Ecosystem, Smallsat Fleet, Smallsat Form Factors, Smallsat Manufacturing, Smallsat Markets, Smallsat Modeling, Smallsat Payloads, smallsats Tagged With: Featured

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