Northrop Grumman Corporation has successfully completed payload integration and the ambient functional test of the U.S. Air Force's Space Based Infrared System's (SBIRS) third highly elliptical orbit (HEO-3) payload. Lockheed Martin is the SBIRS prime contractor, Northrop Grumman is the payload integrator.

Source: Northrop Grumman completes SBIRS HEO-3 payload integration


David Cottle

UBB Owner & Administrator