防衛省
The Japanese Ministry of Defense (MOD) is a government organization responsible for Japan's defense, including space-related activities. It is focused on enhancing its space capabilities to ensure superiority in the space domain, improve information gathering, communication, and positioning capabilities. The MOD is establishing a Space Situational Awareness (SSA) system and building capabilities to disrupt opponents' command and control through the use of electromagnetic domains, working in cooperation with the U.S. and other relevant countries. The MOD also collaborates with JAXA.
All verified mentions of this organization in source documents.
MDA Space was selected by Mitsubishi Electric to supply a dynamic, anti-jamming digital payload and antennas for a next-generation defense communications satellite ordered by the Japan Ministry of Defense.
The Japan Ministry of Defense ordered the system to replace the DSN-2 satellite, known as Kirameki–2, in geostationary orbit.
Mitsubishi Electric Corporation selected MDA Space to build the next-generation GEO satellites series for the Japan Ministry of Defense.
FOSSA Systems has a strategic agreement with Kanematsu Corporation to introduce and deploy its space intelligence and dual-use technologies into the Japanese Ministry of Defense market.
Tri-Sat Constellation Co., Ltd. announced a 283.1 billion yen ($1.78 billion) project to provide the Japanese Ministry of Defense with a dedicated, high-frequency satellite constellation for sovereign Earth observation.
JSAT continues to provide sovereign satcom services to the Japanese Ministry of Defense.
The Japanese Ministry of Defense awarded SKY Perfect JSAT a 9 billion yen ($56 million) contract to supply optical satellite data.
The 36-satellite SAR constellation will be part of a Japanese Ministry of Defense initiative for persistent monitoring for national security and disaster management.
KAIROS attracted interest from the Japanese Ministry of Defense.
Axelspace signed a contract to supply optical imagery data for Japan’s Ministry of Defense satellite constellation program as part of a private-sector consortium.
The Japan Ministry of Defense announced Axelspace, Synspective, SKY Perfect JSAT, Mitsui, and Mitsubishi Electric, along with Mitsui Bussan Aerospace and iQPS, last December as contract awardees to build Japan’s satellite constellation.
Axelspace and Synspective finalized agreements with SKY Perfect JSAT, Mitsui, and Mitsubishi Electric to provide optical and synthetic aperture radar imagery respectively to the Japan Ministry of Defense’s planned satellite constellation.
Sky Perfect JSat expects a Japan Ministry of Defense ISR constellation contract to be set in the month referenced by the report.
Astroscale received a $47.5 million contract from the Japanese Ministry of Defense to develop a rendezvous and proximity operations demonstrator for geostationary orbit.
The Japan Ministry of Defense awarded Astroscale Japan a contract worth $1 billion yen ($6.4 million) to develop a gripping mechanism for national satellites.
Synspective Inc. was selected as a partner for the Japan Ministry of Defense satellite constellation project on December 24, 2025.
On August 28, 2025, the Japanese Ministry of Defense held a meeting between Minister of Defense Nobuo Kishi and UK Defense Minister John Healey, who was visiting Japan.
The two-year launch delay of the DSN-1 payload that Sky Perfect JSAT operates under contract for the Japanese Ministry of Defense contributed to Sky Perfect JSAT's revenue decline.