by Clarence Oxford
Los Angeles CA (SPX) Dec 17, 2024
US Space Force Space Systems Command (SSC) and Space Operations Command (SpOC) successfully executed a critical Rapid Response Trailblazer (RRT) mission in partnership with SpaceX. A Falcon 9 rocket launched the National Security Space Launch (NSSL) mission carrying the Global Positioning System (GPS) III space vehicle, SV-07, on Dec. 16 at 7:52 p.m. EST from Cape Canaveral Space Force Station, Florida.
This launch showcased the Space Force's ability to rapidly adapt and deliver critical national capabilities. The accelerated integration process involved pulling an existing GPS III satellite from storage, preparing it for launch in under five months, and successfully meeting a major warfighter requirement.
Col. Jim Horne, senior materiel leader of Launch Execution for Assured Access to Space (AATS), emphasized the significance of the mission. "This launch was a remarkable achievement that highlights the Space Force's ability to execute high priority launches of major space systems on a significantly reduced timescale. As an added benefit, it also demonstrates flexibility to adjust our manifest to minimize the impact of Vulcan delays. In this case, revised planning for this RRT began at launch minus-five months instead of our normal launch minus-24 months."
The effort also marked a major milestone for Mission Delta 31 (MD 31), which managed the satellite prelaunch process. Col. Andrew Menschner, MD 31 mission commander, explained the scope of the mission's rapid execution. "This launch showed our ability to respond quickly to an operational need, such as an on-orbit vehicle failure of the GPS constellation, as well as demonstrating our willingness to challenge traditional timelines associated with launches in response to a realistic scenario."
By reducing the typical six-month prelaunch satellite processing timeline to just three months, SpOC, Lockheed Martin, and MD 31 demonstrated their flexibility and operational agility. The mission's success also marked the first exercise of "trailblazer" capabilities for the GPS constellation.
Menschner added, "We have a very healthy GPS constellation, now with 31 active vehicles, seven on orbit in reserve status and three GPS III vehicles completed and awaiting launch. Over six billion people use GPS on a daily basis, and we are always eager to update the global capability we provide by getting some new technology on orbit."
The accelerated mission required coordination across multiple disciplines, addressing technical challenges such as space vehicle-to-launch vehicle integration and satellite control preparations. Dr. Walt Lauderdale, chief of Falcon Systems and Operations and mission director, highlighted the collaboration. "The launch and spacecraft teams quickly aligned to execute this campaign and demonstrated the resiliency, communication, and teamwork necessary to resolve schedule and technical challenges without compromising mission success."
"This partnership is an example of new and faster ways we can deliver launch in support of future warfighter needs," Lauderdale continued. "The Space Force quickly energized multiple organizations, and the joint team delivered a specific, important mission to orbit in record time."
Mission Delta 31 remains focused on delivering high-integrity Positioning, Navigation, and Timing (PNT) capabilities. The successful launch reinforces MD 31's role in sustaining a resilient GPS network, ensuring global PNT capabilities for both military and civilian users.
Related Links
USSF Space Systems Command
GPS Applications, Technology and Suppliers