SpaceX launches its final Falcon 9 of 2025 tonight with an Italian Earth observation satellite. The mission represents a milestone in the company’s record-breaking year. This is a shift from SpaceX’s typical focus on launching its own Starlink satellites.
🔥 Quick Facts
- SpaceX has completed 166 Falcon 9 launches in 2025, demolishing previous records
- Liftoff scheduled for 6:08 PM PT tonight (9:08 PM EST) from Vandenberg Space Force Base
- COSMO-SkyMed CSG-3 satellite is a synthetic aperture radar system for the Italian Space Agency
- This is SpaceX’s final West Coast launch of 2025 from California’s SLC-4E pad
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The final Falcon 9 flight caps an extraordinary year of launches. SpaceX targeted 170 launches but pivoted the manifest to 165 missions based on business requirements. With tonight’s mission and another launch planned, the company will achieve 167 launches before year’s end, surpassing all previous company records.
This unprecedented launch cadence demonstrates SpaceX’s operational maturity and manufacturing capability. The company has become the dominant launch provider globally, accounting for more than half of all orbital launches worldwide in 2025.
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Unlike typical SpaceX missions carrying Starlink internet satellites, tonight’s payload serves Earth observation. The COSMO-SkyMed Second Generation (CSG-3) satellite represents SpaceX’s continued expansion into government and international contracts.
The satellite carries an X-band synthetic aperture radar capable of imaging Earth day and night, regardless of weather. It will reach a circular sun-synchronous orbit at 619 kilometers altitude, joining the constellation to provide continuous surveillance and emergency management capabilities.
Technical Details and Launch Operations
| Parameter | Details |
| Launch Site | Space Launch Complex 4E, Vandenberg SFB, California |
| Launch Time | 6:08 PM PT (9:08 PM EST / 02:08 UTC Dec 28) |
| Rocket | Falcon 9 Block 5 (Booster B1081, 21st flight) |
| Landing Method | Return To Launch Site (RTLS) |
| Mission Designation | CSG-3 (COSMO-SkyMed Second Generation FM3) |
SpaceX will recover the Falcon 9 booster using a return-to-base landing, allowing reuse on future missions. Booster B1081 is already on its 21st flight, showcasing the reusability advantages that have driven SpaceX’s cost competitiveness.
Italian Space Agency Partnership Reflects Global Expansion
The Italian Space Agency (ASI</b) funded this mission through the Italian Ministry of Research. The COSMO-SkyMed constellation provides critical Earth observation capabilities for disaster monitoring, climate research, and security applications.
This mission underscores SpaceX’s evolution beyond starlink deployments. The company now serves national governments, commercial operators, and space agencies worldwide. International partnerships strengthen SpaceX’s position as a critical infrastructure provider in the global space economy.
What’s Next for SpaceX as 2025 Concludes?
Tonight’s launch completes SpaceX’s final California mission of the year. The company maintains an aggressive launch schedule into 2026, continuing development of Starship and Super Heavy for eventually bringing humans to the Moon.
The year represents a watershed moment for commercial spaceflight. SpaceX’s achievement of 167 launches from a single company shows how cost reduction and reusability have transformed space access. This momentum positions SpaceX to maintain dominance in orbital launches for years ahead.
Sources
- Spaceflight Now – Live coverage and mission details of SpaceX Falcon 9 CSG-3
- Space.com – Comprehensive 2025 launch calendar and mission information
- Italian Space Agency (ASI) – COSMO-SkyMed program specifications and objectives
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