Commercial Low Earth Orbit (LEO) Destination Contract (CLDC) Request for Proposal

The National Aeronautics and Space Administration (NASA) Johnson Space Center (JSC) is issuing a Final Request for Proposal (RFP) for the Commercial Low Earth Orbit (LEO) Destination Contract (CLDC), 80JSC027R0004. You are notified of the following: The entire proposal is due by December 8, 2026 at 1:00 p.m. Central Time. Proposal Volume III, Past Performance is requested two (2) weeks early on November 24, 2026, but not officially due until the proposal submittal date. All questions regarding this RFP should be submitted in writing, electronically to As