VANDENBERG SPACE FORCE BASE, Calif. –
United States Space Command completed the Global Sentinel 25 annual capstone event, bringing together nearly 30 partner nations plus NATO from April 28 to May 9.
The two-week event, held at Vandenberg, focused on strengthening international partnerships, enhancing operational collaboration, and promoting responsible behavior in space.
“Global Sentinel Capstone was not the culmination but the continuation of collaboration through an immersive series of bilateral and multilateral opportunities,” said Maj. Gen. Brian Gibson, the director of Strategy, Plans, and Policy for U.S. Space Command. “The event promoted synchronization, common procedures, data sharing, analysis, and future sensor integration into the Space Surveillance Network.”
The command’s premier security cooperation initiative, Global Sentinel began in 2014 with seven participating nations and steadily increased that number each year. For GS25, a total of 28 countries participated, including the U.S., Australia, Belgium, Brazil, Canada, Chile, Colombia, Denmark, Finland, France, Germany, Greece, Israel, Italy, Japan, Netherlands, Norway, New Zealand, Peru, Poland, Portugal, Republic of Korea, Romania, Spain, Sweden, Thailand, Ukraine, and the United Kingdom. This year, eight new observer participants included Angola, Argentina, Ecuador, Kenya, Mexico, Morrocco, Nigeria, Qatar, and Uruguay.
Numerous events throughout the year lead up to the capstone event, from planning conferences to multiple scenario-based Real-World events to reinforce best practices and enhance space domain awareness for all participating nations.
Embedded within Regional Space Operations Centers (R-SpOCs), participants maintained national command and control of their sensors for planning, tasking, and analysis. The exercise also leveraged a dedicated Global Sentinel version of Space-Track.org for capstone modeling and simulation gameplay, mirroring the platform used for real-world events and daily unclassified space operations. In addition to the exercises, the program included leadership panels, immersions, and workshops to foster greater collaboration among international partners.
A global network of allies and partners working together provides the U.S. with an asymmetric advantage in multi-domain global operations to protect shared interests.