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

This is a modification to the notice entitled "Commercial Low Earth Orbit (LEO) Destination Contract (CLDC) Request for Proposal" which was posted on October 9, 2026. You are notified that the following changes are made: The following document is posted: (1) CLDC Final RFP Pre-proposal Conference Charts ______________________ 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 One-on-Ones by Tuesday, October 13, 2026, 1:00 p.m. Central Time by sending an email to the following addresses: Name: Ashley Chaves Email: jsc-cldc@mail.nasa.gov The RSVP email for the Pre-Proposal Conference must include the following: Subject Line: 80JSC027R0004 Pre-Proposal RSVP Full company name Company address SAM Unique Entity ID and Commercial and Government Entity (CAGE) Code Company point of contact name, phone number, and email address Company size/type (e.g., Large Business, Small Business, Women-Owned Small Business, etc.) Names, position descriptions, and email addresses of attendees (no more than ten (10) individuals may represent any party or team of parties) The Pre-Proposal Conference One-on-Ones will be scheduled upon request and will be held in-person with a hybrid option at the Gilruth Center on October 16, 2026. One-on-Ones will be limited to Destination Prime Offerors. To request a One-on-One please send an email to the Contracting Officer, Ashley Chaves, at jsc-cldc@mail.nasa.gov. The RSVP email for the Pre-Proposal One-on-One must include the following: Subject Line: 80JSC027R0004 Pre-Proposal One-on-One RSVP Full company name Company address SAM Unique Entity ID and Commercial and Government Entity (CAGE) Code Company point of contact name, phone number, and email address Company size/type (e.g., Large Business, Small Business, Women-Owned Small Business, etc.) Names, position descriptions, and email addresses of attendees (no more than eight (8) individuals may represent any party or team of parties) Preference on in-person, virtual, or hybrid attendance for One-on-One and identify which individuals will be attending in-person or virtually. A confirmation email will be sent to acknowledge your reservation(s) and provide further instructions. NASA anticipates releasing the Pre-Proposal Conference charts prior to the Pre-Proposal Conference. Please continue to monitor this SAM.gov posting for updates on the release of any documents, as well as the CLDC website. NASA FAR Supplement (NFS) Clause 1852.215-84, Ombudsman, is applicable. The Ombudsman for this acquisition is Donna M. Shafer, donna.m.shafer@nasa.gov, 281-483-4258. It is the offeror's responsibility to monitor this website for amendments to this solicitation and other information. Potential offerors will be responsible for downloading their own copy of the solicitation and amendments. Prospective offerors are encouraged to notify the Contracting Officer of their intent to submit an offer.