- USAF completes its baseline SBIRS GEO constellation with Friday’s launch
- The service is upgrading sensor capabilities from legacy DSP satellites
The US Air Force (USAF) successfully launched its fourth Space Based Infrared System (SBIRS) Geosynchronous Earth Orbit (GEO) satellite the evening of 19 January, according to a statement from satellite prime contractor Lockheed Martin.
Lockheed Martin said the satellite, SBIRS GEO-4, was responding to the USAF’s 460th Space Wing’s commands as planned. Signal acquisition was confirmed roughly 37 minutes after the satellite’s 1948 h local time launch aboard a United Launch Alliance (ULA) Atlas V rocket from Cape Canaveral Air Force Station, Florida.
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