USA-246

USA-246
Artist's impression of an AEHF-3 satellite
NamesAEHF-3
Advanced Extremely High Frequency-3
Mission typeMilitary communications
OperatorUnited States Air Force / United States Space Force
COSPAR ID2013-050A Edit this at Wikidata
SATCAT no.39256
Websitehttps://www.spaceforce.mil/
Mission duration14 years (planned)
11 years, 2 months and 2 days (in progress)
Spacecraft properties
SpacecraftAEHF-3
BusA2100M
ManufacturerLockheed Martin Space
Launch mass6,168 kg (13,598 lb)
Start of mission
Launch date18 September 2013,
08:10:00 UTC
RocketAtlas V 531 (AV-041)
Launch siteCape Canaveral, SLC-41
ContractorUnited Launch Alliance
Orbital parameters
Reference systemGeocentric orbit
RegimeGeosynchronous orbit
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AEHF-4 →

USA-246, also known as Advanced Extremely High Frequency 3 or AEHF-3, is a military communications satellite operated by the United States Air Force. It is the third of six satellites to be launched as part of the Advanced Extremely High Frequency program, which replaced the earlier Milstar system.[1]

  1. ^ "AEHF-3 Mission Overview" (PDF). United Launch Alliance. Retrieved 17 May 2021.