NGG partners complete subsystem preliminary design review
Northrop Grumman and Ball Aerospace have successfully completed the preliminary design review for first payload subsystem on the Next Generation Overhead Persistent Infrared (OPIR) Geosynchronous Earth Orbiting satellite programme (NGG), following a successful design review by the US Space Force in May.
Two IR mission payloads are in development as a risk-mitigation effort before the first scheduled NGG satellite launch in 2025.
‘As the successor to the Space Based Infrared System (SBIRS), Next-Gen OPIR’s first block of satellites will include five space vehicles, three in geosynchronous earth orbit and two in polar orbit,’ Northrop Grumman stated on 24 June.
Next-Gen OPIR is designed to fit into the future US early warning missile defence network.
‘The subsystem and payload designs meet key mission performance requirements and support the national security imperative of launching the initial Next-Gen GEO mission payload,’ said Bob Mehltretter, VP military and civil space at Northrop Grumman.
Northrop Grumman and Ball Aerospace are on track to complete the payload’s critical design review in May 2021.
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