· space brief · 4 min read
Space Brief 26 Sep 2025
Today's Space Brief highlights major developments including NASA's Dream Chaser contract modifications, Germany's significant investment in space capabilities, and advancements in hybrid satcom technology.

📰Top Stories
Dream Chaser ISS Contract Adjustment
NASA has modified its contract with Sierra Space concerning the Dream Chaser vehicle, which delivers cargo to the International Space Station (ISS). The adjustment comes as Sierra Space redirects focus towards defense applications, indicating a strategic shift in priorities from commercial space to national defense.
Read the full story: SpaceNews
L3Harris Scales Hybrid Satcom Radios
Following successful tests with the U.S. Air Force, L3Harris is set to expand production of its hybrid satellite communication radios. In partnership with Amazon’s Project Kuiper, these radios aim to enhance broadband service delivery to military users, reflecting a significant step in integrating cutting-edge satellite technology into defense communications.
Read the full story: SpaceNews
Germany’s $41B Space Investment
The German military has announced an impressive $41 billion investment to enhance its space capabilities. The initiative underscores the critical importance of satellite networks and national security, as highlighted by German Defense Minister Boris Pistorius. This move is expected to greatly bolster Germany’s role in the global space industry.
Read the full story: Breaking Defense
Middle East Defense ‘Friendshoring’
A new report suggests Western allies, including the United States, should consider ‘friendshoring’ defense production in the Middle East. This strategy aims to strengthen partnerships and collectively enhance defense capabilities in a strategically vital region.
Read the full story: Breaking Defense
Strategic Air Base Defense
An op-ed argues for a strategic return to roots for the U.S. Army, emphasizing ownership of air base defense rather than competing with Air Force missions. This perspective highlights the need for clear role delineations between military branches to optimize defense infrastructure efficiency.
Read the full story: Breaking Defense
CCA Contracts on the Horizon
The U.S. Air Force is preparing to release early contracts for the second iteration of its Collaborative Combat Aircraft (CCA). The ongoing development suggests active engagement with emerging technologies aimed at modernizing air force capabilities.
Read the full story: Breaking Defense
🛰️Satellite Spotlight
- Satellite Name: EOLE 1 (CAS-A)
- NORAD ID: 05435
- Launch Date: August 16, 1971
- Mission: EOLE 1 serves as a data relay satellite, supporting communications and data transmission for various applications.
- Orbit: Low Earth Orbit (LEO)
- Operator: CNES (French National Centre for Space Studies)
- Fun Fact: EOLE 1 was one of the earliest satellites designed to relay data, showcasing the significance of satellite communication well before the explosion of commercial satellite technology.
Track this satellite in real-time on our web app: Track EOLE 1 (CAS-A)
🌌Space Weather
Next 24 Hours
-
Radio Blackouts Probability
- Minor: 30
- Major: 5
- Risk: None
-
Solar Radiation
- Probability: 1
- Risk: None
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Geomagnetic Storming
- Scale: 0
- Impact: none
- Activity: Low
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Impact Summary
- No risk of radio blackouts for communication and navigation systems.
- No expected solar radiation storms, reducing potential threats to satellite operations.
- No significant geomagnetic storm activity, ensuring stable satellite navigation and communication systems.
- Isolated M-class flares could lead to minor radio blackouts but are unlikely.
Long Term Forecast
- Impact Summary
- Solar activity is anticipated to remain low, with isolated M-class flares possible, which may slightly disrupt radio communications.
- No proton events expected at geosynchronous orbit, minimizing risks for satellite operators.
- High levels of greater than 2 MeV electrons forecasted on specific dates, potentially impacting satellite systems and increasing drag for LEO satellites.
- G1 (Minor) storm conditions expected on select days due to coronal hole high-speed stream influences, which may affect ground-based radar operations and satellite communications temporarily.
- Quiet to unsettled levels anticipated on most days, indicating overall stable conditions for satellite operations.
🚀Upcoming Space Launches
September 26
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SpaceX Falcon 9:
- Starlink Group 17-11 from Vandenberg SFB, CA, USA (01:57 UTC) A batch of 24 satellites for the Starlink mega-constellation - SpaceX’s project for space-based Internet communication system.
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China Aerospace Science and Technology Corporation Long March 4C:
- Unknown Payload from Jiuquan Satellite Launch Center, People’s Republic of China (19:15 UTC) Details TBD; launch probably is for the Fengyun-3H polar orbit meteorology satellite.
September 27
- China Aerospace Science and Technology Corporation Long March 6A:
- Unknown Payload from Taiyuan Satellite Launch Center, People’s Republic of China (12:31 UTC) Details TBD.
September 28
- SpaceX Falcon 9:
- Starlink Group 11-20 from Vandenberg SFB, CA, USA (23:32 UTC) A batch of 28 satellites for the Starlink mega-constellation - SpaceX’s project for space-based Internet communication system.
September 29
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China Aerospace Science and Technology Corporation Long March 2D:
- Unknown Payload from Xichang Satellite Launch Center, People’s Republic of China (02:50 UTC) Details TBD.
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Rocket Lab HASTE:
- JUSTIN from Wallops Flight Facility, Virginia, USA (21:45 UTC) Sub-orbital launch under Rocket Lab’s Hypersonic Accelerator Suborbital Test Electron (HASTE) program, details TBD.
October 1
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SpaceX Falcon 9:
- Project Kuiper (KF-03) from Cape Canaveral SFS, FL, USA (04:48 UTC) Third of a three launches contract for Amazon’s Kuiper low Earth orbit satellite internet constellation.
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SpaceX Falcon 9:
- Starlink Group 10-59 from Cape Canaveral SFS, FL, USA (06:23 UTC) A batch of 28 satellites for the Starlink mega-constellation - SpaceX’s project for space-based Internet communication system.
October 3
- SpaceX Falcon 9:
- Starlink Group 11-39 from Vandenberg SFB, CA, USA (13:00 UTC) A batch of 28 satellites for the Starlink mega-constellation - SpaceX’s project for space-based Internet communication system.
Note: Launch dates and times are subject to change due to technical or weather considerations.
Maurice Stellarski