AST SpaceMobile Pairs a Japanese Network Venture With a $1.3 Billion Rocket Bet
Published on 11/09/2026 at 18:12 | Editorial boerse-global.de
AST SpaceMobile packed two very different announcements into a single week, and the market has been left to weigh them separately. The stock jumped 16% on news that the company and Rakuten Group are building a satellite network in Japan designed to connect devices directly, while a separate rocket deal with Firefly Aerospace carries a price tag north of $1.3 billion.
The Japanese project, unveiled as Rakuten AST, gives the satellite-to-cell specialist a second concrete market for its technology. Rakuten holds 51% of the joint venture, with an AST SpaceMobile subsidiary taking the remaining 49%. Up to ¥148 billion in Japanese government support is expected to flow into the build-out.
That structure pairs a local majority owner with a substantial state funding prospect — a combination that works in AST's favor provided the money actually arrives and carries the network construction. Commercial operation in Japan is targeted for the end of March 2029, which makes execution against that deadline the key test for investors. For now, the venture at least gives the two partners a dedicated corporate vehicle to coordinate their work.
A Rocket That Flies on Borrowed Engines
Alongside the Japanese network, AST is pursuing its own satellite transport ambitions. On Friday it announced Blacklift, a reusable rocket intended to carry as many as five BlueBird satellites per launch, with first flights targeted for late 2028.
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The financial scale of that plan is considerable. According to the Financial Times, AST agreed to pay Firefly Aerospace roughly $800 million as an upfront payment for a perpetual license to manufacture engines, with a further $500 million covering engines and technical support. Reuters put the total value of the Firefly agreements above $1.3 billion, spanning engines, the manufacturing license and development assistance.
The arrangement goes well beyond buying individual components. A production license and engineering support can help AST build its own capabilities — but only if the company successfully converts that outside knowledge into working hardware. That is where the strategic upside sits: external expertise placed at the service of an in-house program. The sheer size of the agreements also signals how much weight the partnership carries.
Buying Know-How in One Deal, Selling It in Another
The contrast with AST's other recent move is instructive. On Thursday the company said it would support STR as prime contractor on a U.S. Space Force award covering a further phase of technology development for space-based sensing.
In the rocket program AST is the buyer of capability; in the sensor project it is the contributor. That division of labor sits at the heart of how the space industry now operates, with in-house development goals and outside partnerships reinforcing each other when each party delivers on its assigned role.
For investors, the yardstick is straightforward. The strategic value of these agreements grows only when usable technical capability emerges from them. Blacklift will be judged on whether the planned transport capacity materializes; the Space Force work on whether the technology development advances. Access to external engineering is a point in AST's favor, but the economic ambition embedded in the contracts is high — and the partnerships will be valued on delivery, not on announcement.
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