Space Force Extends Mobile User Objective System Life

The military branch is upgrading its narrowband communications network to ensure operational support through 2040.

Updated on Oct. 31, 2026 in Military

Isometric editorial illustration of a gold-plated communications satellite in orbit, representing military infrastructure network upgrades. — The U.S. Space Force has extended the life of its Mobile User Objective System satellites through 2040 to maintain secure military narrowband communications. AI Illustration. Upload story photo >

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The Space Force has officially extended the service life of its Mobile User Objective System, which currently supports critical narrowband communications across the military. This initiative includes procuring two new satellites and upgrading ground systems to keep the network active through 2040.

Why it matters

The extension is vital because the military relies on this specific system for its lower probability of detection compared to commercial direct-to-device alternatives. Prolonging the capability ensures the Department of War information technology ecosystem remains secure and functional as older satellites reach their original end-of-life dates.

The Space Force is adding two new satellites to the existing five-satellite constellation currently orbiting in geostationary space. These upgrades will incorporate lightweight, adaptable terminal packages specifically designed for use with unmanned military systems.

The players

Space Force

This branch of the United States Armed Forces is responsible for organizing, training, and equipping personnel to conduct space warfare and protect national space assets.

Department of War

This entity maintains the information technology ecosystem that relies on the Mobile User Objective System for secure military communications.

The details

The program will shift the system's operational viability from 2030 to 2040, providing a decade of additional secure coverage. Beyond satellite procurement, the service is exploring new narrowband capabilities from medium Earth orbit, with an 18-month window set for industry engagement to refine these requirements.

2030 marks the original date when system capability was scheduled to begin its reduction.
2035 is the projected year for the initial extension of the system service life.
2040 serves as the new end date for the extended system service life.

Political Context

Opponents of the plan may argue that shifting resources toward legacy geostationary systems could delay the adoption of more resilient, distributed narrowband capabilities in medium Earth orbit. Critics often push for a faster transition to commercialized space technologies to avoid the high costs associated with bespoke military-grade satellite procurement.

The extension ensures that the secure, low-detectability communications used by the military continue to function without interruption for personnel in the field. This commitment to maintaining existing infrastructure avoids potential gaps in operational readiness that could have occurred if the system were retired in 2030.

The takeaway

By extending the lifespan of critical orbital assets, the military maintains a secure communications advantage that remains difficult for adversaries to detect. Officials and contractors will spend the next year and a half collaborating to ensure the next generation of terminals can integrate seamlessly with these existing satellites.

What happens next

The Space Force will conduct requests for information and industry days over the next 18 months to finalize the specifications for the new ground systems and satellite procurement.