LONDON — The Norwegian Defense Ministry expects to make available to allied nations between half and two-thirds of the 800 MHz of X-band capacity it has purchased on two highly elliptical-orbit satellites to launch in 2022 as a joint, three-payload order with the U.S. Air Force and mobile satellite services provider Inmarsat.

Space Norway HEOSat AS will manage the Arctic Satellite Broadband Mission (ASBM) on behalf of the Norwegian government, which owns the system. The USAF and Inmarsat payloads . . .

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