[Satellite TODAY 12-22-10] Harris Corp. won a $42 million contract from prime contractor Sierra Nevada Corp. to supply antenna and radar electronics for a satellite that will provide high-resolution radar imagery of the Earth to military users, Harris announced Dec. 21. The 30-month contract will see Harris design, build, and integrate the synthetic aperture radar (SAR) satellite payload as part of NASA 's Rapid Response Space Works and Modular Space Vehicles program for the U.S. Department of Defense 's Operationally Responsive Space (ORS) office. ORS is a joint initiative between NASA and the Pentagon to field modular payloads rapidly and inexpensively. SAR is the second payload to be developed by ORS and will aim to produce Earth imagery during darkness or inclement weather.