Space Vehicle Upper Stage Request for Information

replenishment of these space systems. Many of these systems reside in Geosynchronous Orbit (GEO). Immediate space vehicle placement in GEO is essential for the success of the mission. The vast increase in commercially available launch service options to Low Earth Orbit (LEO) and Geosynchronous Trans

fer Orbit offer the opportunity for significant schedule flexibility to the U.S. Government. For the purposes of this RFI, vertical lift options that provide transport to Geosynchronous orbit (GEO) via Geosynchronous Transfer Orbit (GTO) ar