A Japanese satellite is now carrying American military surveillance hardware
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The United States Space Force and Japan have completed a bilateral satellite launch meant to strengthen surveillance capabilities across the Pacific region and beyond.
A US space domain awareness payload was carried aboard Japan's Quasi-Zenith Satellite 7, launched from Tanegashima Space Center.
This mission marked the second and final launch under the Quasi-Zenith Satellite System-Hosted Payload program, described as the first bilateral U.S.-Japan cooperative effort built specifically around national security.
The US payload will be operated by Combat Forces Command's Mission Delta 2, a unit that identifies and tracks objects across contested orbital terrain.
Mission Delta 2 is headquartered at Peterson Space Force Base in Colorado and maintains a presence at 11 separate operating locations worldwide.
Once fully operational, the payload is expected to deliver near real-time data to the Space Surveillance Network, expanding awareness of the geosynchronous orbit above the Indo-Pacific.
Both US payloads under the program were designed and built by MIT Lincoln Laboratory in Lexington, Massachusetts, while the Japanese host satellites came from Mitsubishi Electric Corporation in Kamakura.
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The arrangement traces back to a December 2020 agreement between the two nations to jointly execute the hosted-payload program.
Officials describe the effort as evidence of a maturing alliance built around shared access to orbital infrastructure.
"The successful launch of QZS-7 is a powerful testament to the enduring strength and rapid modernization of the U.S.-Japan alliance," said Col. Bryon McClain, Space Force portfolio acquisition executive for Space Combat Power.
He added that merging capabilities in satellite communications helps maintain security in a contested space domain.
According to the program’s officials, the launch was preceded by two years of integration work between U.S. and Japanese engineering teams.
