· space brief · 5 min read
Space Brief 29 Sep 2025
Today's Space Brief discusses significant military satellite launches, groundbreaking agreements for lunar nuclear power, and Italy's satellite strategy dilemma. Additionally, we cover the Dream Chaser's upcoming demonstration flight and new Pentagon contracts for rocket motor production.

📰Top Stories
Pentagon Boosts Solid Rocket Motor Production
In a strategic move to enhance the United States’ defense capabilities, the Pentagon has awarded new contracts to increase the production of solid rocket motors. X-Bow Systems secured a $191 million contract, while Americarb and General Dynamics received funding under the Defense Production Act to develop advanced nozzle materials. This concerted effort aims to diversify the supply chain and strengthen national security infrastructures.
Read the full story: SpaceNews
Dream Chaser Spaceplane Approaches First Demonstration Flight
Sierra Space is gearing up for the first free-flyer demonstration flight of its Dream Chaser spaceplane by late 2026. This mission, in collaboration with NASA, aims to validate key technologies for both defense and commercial uses, offering increased flexibility in civil and national security applications.
Read the full story: SpaceWar
Lunar Nuclear Power: Framatome and ENEA’s New Collaboration
A new memorandum of understanding between Framatome and ENEA marks a step forward in developing nuclear fission reactors for lunar use. This partnership aims to design power systems that could support future Moon settlements, providing reliable and long-duration energy, essential for sustaining human presence on the lunar surface.
Read the full story: SpaceDaily
Ariane 6 to Launch German Military Satellites
Under a newly secured contract, Arianespace will launch two SATCOMBw Stufe 3 satellites for the German Armed Forces using the Ariane 6 rocket. These new satellites are set to enhance Germany’s communication capabilities, replacing the aging COMSATBw 1 and 2 platforms, with Airbus as the main contractor.
Read the full story: SpaceDaily
Italy Weighs Satellite Strategy: Build or Borrow?
Italy is at a crossroads in deciding whether to develop its own satellite capabilities or rely on SpaceX’s Starlink while awaiting the EU’s IRIS² constellation. This dilemma arises as Italy assesses its involvement in the planned communication constellation, balancing national investment with international collaboration prospects.
Read the full story: SpaceNews
France Backs Saudi-Led Conference on Middle Eastern Stability
As part of ongoing efforts to stabilize the Middle East, France has expressed support for a Saudi conference bringing together multiple nations, including European and commonwealth countries. This diplomatic effort is linked to regional security discussions, with a key focus on Lebanon’s military preparing to disarm Hezbollah.
Read the full story: Breaking Defense
🛰️Satellite Spotlight
- Satellite Name: YAOGAN-16 01B
- NORAD ID: 39012
- Launch Date: November 25, 2012
- Mission: Earth observation
- Orbit: Low Earth Orbit (LEO)
- Operator: ZZB
- Fun Fact: YAOGAN-16 01B is part of a series of Chinese satellites that are primarily used for reconnaissance and scientific research, enhancing the country’s capabilities in Earth observation.
Track this satellite in real-time on our web app: Track YAOGAN-16 01B
🌌Space Weather
Next 24 Hours
-
Radio Blackouts Probability
- Minor: 55
- Major: 10
- Risk: None
-
Solar Radiation
- Probability: 1
- Risk: None
-
Geomagnetic Storming
- Scale: 0
- Impact: none
- Activity: Low
-
Impact Summary
- Next 24 hours: No risk of radio blackouts.
- No risk of solar radiation storms.
- Geomagnetic outlook: No G1 (Minor) or greater geomagnetic storms expected.
- No significant transient or recurrent solar wind features are forecast.
- Radiation outlook: No S1 (Minor) or greater solar radiation storms expected.
- No significant active region activity favorable for radiation storm production is forecast.
- Radio blackout outlook: R1-R2 (Minor-Moderate) radio blackouts are likely over 29-30 Sep and 01 Oct.
Long Term Forecast
- Impact Summary
- Forecast of Solar and Geomagnetic Activity (29 September - 25 October 2025):
- Solar activity is expected to be at low levels with a chance for isolated M-class flares throughout the period.
- No proton events are expected at geosynchronous orbit.
- Greater than 2 MeV electron flux expected to be at high levels on 05-08 Oct, 13-16 Oct, and 21-24 Oct.
- Normal to moderate levels anticipated for the rest of the outlook period.
- Geomagnetic field activity expected to have unsettled to active periods on 29-30 Sep, 11-13 Oct, 19-22 Oct, and 25 Oct, due to negative polarity CH HSS influences.
- Unsettled to active periods are expected on 03-06 Oct from positive polarity CH HSS influences.
- Mostly quiet levels likely for the remaining days in the outlook period.
🚀Upcoming Space Launches
September 29
- Rocket Lab:
- Rocket Lab Launch Complex 2 (Launch Area 0 C) from Wallops Flight Facility, Virginia, USA (23:45 UTC) Sub-orbital launch under Rocket Lab’s Hypersonic Accelerator Suborbital Test Electron (HASTE) program, details TBD.
October 3
- SpaceX Falcon 9:
- Starlink Group 10-59 from Cape Canaveral SFS, FL, USA (05:39 UTC) A batch of 28 satellites for the Starlink mega-constellation - SpaceX’s project for space-based Internet communication system.
- 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.
October 4
- SpaceX Falcon 9:
- Project Kuiper (KF-03) from Cape Canaveral SFS, FL, USA (03:43 UTC) Third of a three launches contract for Amazon’s Kuiper low Earth orbit satellite internet constellation.
October 8
- Blue Origin New Shepard:
- NS-36 from Corn Ranch, Van Horn, TX, USA (12:30 UTC) NS-36 is the 15th crewed flight for the New Shepard program and the 36th in the New Shepard program’s history.
October 13
- SpaceX Starship:
- Flight 11 from SpaceX Starbase, TX, USA (23:15 UTC) 11th test flight of the two-stage Starship launch vehicle.
October 16
- Indian Space Research Organization LVM-3:
- CMS-02 (GSAT-7R) from Satish Dhawan Space Centre, India (11:30 UTC) Communications Satellite for the Indian Navy, replacing GSAT-7 for secure real-time links between Indian warships, submarines, aircraft, and shore-based command centers across the Indian Ocean.
October 21
- Mitsubishi Heavy Industries H3-24:
- HTV-X1 from Tanegashima Space Center, Japan (01:58 UTC) First flight of the upgraded Japanese HTV-X spacecraft designed to resupply the International Space Station.
Note: Launch dates and times are subject to change due to technical or weather considerations.
Maurice Stellarski