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 Ashley Chaves, Contracting Officer, at jsc-cldc@mail.nasa.gov on or before 1:00 p.m. Central Time on October 21, 2026. Offerors are encouraged to submit questions as soon as possible for consideration. Questions shall be submitted using the Template for Submission of Comments in the �Attachments� section below. Telephone questions will not be accepted. The RFP and attachments have been posted in the "Attachments" section below. This RFP and associated documents supersede the Draft RFP in its entirety. Any additional documents will be available on www.sam.gov. The Technical Library is available on www.sam.gov under notice ID 80JSC025_CLDC_TECH_LIBRARY. If you have not accessed the Technical Library before, please complete the Technical Library Request Form and refer to the instructions under notice ID 80JSC025_CLDC_TECH_LIBRARY prior to submitting a request via www.sam.gov. The Pre-Proposal Conference for this solicitation is anticipated to be held (virtual only) via Microsoft Teams on Thursday, October 15, 2026, starting at 1:00 p.m. Central Time. Attendance at the pre-proposal conference is recommended; however, attendance is neither required nor a prerequisite for proposal submission. No recordings or use of Super Intelligence (SI) note-taking capabilities of any kind are permitted. Participation is limited to a total of ten (10) individuals from each company/team. Please RSVP for the Pre-Proposal Conference and...