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ASBM (Arctic Satellite Broadband Mission) 1 & 2 are two twin satellites built by Northrop Grumman for Space Norway, in cooperation with Inmarsat and the Norwegian Ministry of Defence. They are designed to bring mobile broadband coverage in the Arctic for both civilians and military. The US Air Force provides the Extremely High Frequency eXtended Data Rate payloads on ASBM satellites as part of the Enhanced Polar System Recapitalization (EPS-R) program.
Booster which launched Crew-1, Crew-2 and IXPE. Expended for the launch of Hera.
Limiting rule: No flight through a thick (>4500 ft) cloud layer extending across the freezing level.
max-top 6985 m, mean 5246 m, 69% cover, freezing 4755 m · max cloud-top 6985 m above freezing 4755 m (69% cover in 10 nmi) · no GLM flashes within 25 nmi / 30 min, likely cirrus / stratiform ice rather than cumulus · 7.4 ≥ 6 ft significant wave height