RFP GMU-KS0903-26 RIDM LANDHOLT Spacecraft Platform

Description: George Mason University is seeking proposals through a competitive procurement for a flight-qualified spacecraft bus, payload integration and verification services, early hardware-in-the-loop testbed infrastructure, and integrated routine and orbital operations supporting the NASA Landolt Mission. The resulting contract will support a one-year astrophysics mission in geostationary Earth orbit and requires submission through the designated electronic procurement portal. This is a request for proposals to establish a contract, not a grant program, and responses are due September 23, 2026, at 2:00 PM Eastern Time.