This is a service / maintenance or supply contract in Houston, Texas. Contact the soliciting agency for additional information.

This is Modification 5 to the Request for Proposal (RFP) entitled Cargo Mission Contract 4 (CMC4), 80JSC024R0001, which was posted on December 14, 2023. You are notified of the following: Amendment 3 to the CMC4 Final RFP is posted in the Attachments section. The CMC4 Final RFP Questions and Answers #3 are posted in the Attachments section. The offer due date is extended as a result of this modification from January 23, 2024 to February 2, 2024 at 1:30pm CST. It is the offeror's responsibility to monitor this website and the CMC4 website for updates to the RFP and amendments (if any). This is Modification 4 to the Request for Proposal (RFP) entitled Cargo Mission Contract 4 (CMC4), 80JSC024R0001, which was posted on December 14, 2023. You are notified of the following: The Government is actively working on responses to all questions received in response to the final RFP. Questions and Answers #3 and Amendment 3 are forthcoming. The offer due date WILL BE extended as a result of Amendment 3. The new due date will be no earlier than 1/30/24. It is the offeror's responsibility to monitor this website and the CMC4 website for updates to the RFP and amendments (if any). This is Modification 3 to the Request for Proposal (RFP) entitled Cargo Mission Contract 4 (CMC4), 80JSC024R0001, which was posted on December 14, 2023. You are notified of the following: Amendment 2 to the CMC4 Final RFP is posted in the Attachments section. The CMC4 Final RFP Questions and Answers #2 are posted in the Attachments section. The offer due date is not extended as a result of this modification. It is the offeror's responsibility to monitor this website and the CMC4 website for updates to the RFP and amendments (if any). This is Modification 2 to the Request for Proposal (RFP) entitled Cargo Mission Contract 4 (CMC4), 80JSC024R0001, which was posted on December 14, 2023. You are notified of the following: Amendment 1 to the CMC4 Final RFP is posted in the Attachments section. The CMC4 Final RFP Questions and Answers #1 are posted in the Attachments section. CMC4 Technical Library Part 9 containing NASA Historical Incumbent Composite Rates is posted to the Attachments section. The offer due date is not extended as a result of this modification. It is the offeror's responsibility to monitor this website and the CMC4 website for updates to the RFP and amendments (if any). This is Modification 1 to the Request for Proposal (RFP) entitled Cargo Mission Contract 4 (CMC4), 80JSC024R0001, which was posted on December 14, 2023. You are notified of the following: The CMC4 Preproposal Conference Charts and the CMC4 Preproposal Bulletin Cost Charts are posted in the Attachments section. The offer due date is not extended as a result of this modification. It is the offeror's responsibility to monitor this website and the CMC4 website for updates to the RFP and amendments (if any). NASA/Johnson Space Center (JSC) is issuing a Final Request for Proposal (RFP) for Cargo Mission Contract 4 (CMC4), 80JSC024R0001. You are notified of the following: Proposals are due no later than January 23, 2023, at 1:30 p.m. Central Time (CT). Questions regarding this solicitation are due to the Contracting Officer no later than January 5, 2024, at 1:30 p.m. CT. Questions shall be submitted using the Template for Submission of Comments in the "Attachments" section below. Proposal Volume II, Past Performance, is requested early, and may be submitted as soon as January 9, 2024, but is not officially due until the proposal submittal date. 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 SAM.gov. The Technical Library has been posted in the "Attachments" section below. If you have not accessed the Technical Library before, please complete the Technical Library Request Form in the "Attachments" section below prior to submitting a request via sam.gov. The Pre-Proposal Conference (Virtual) for this solicitation is anticipated to be held via Microsoft Teams on Tuesday, December 19, 2023, from 10:00 a.m. to 1:00 p.m. CT. Attendance at the pre-proposal conference is recommended; however, attendance is neither required nor a prerequisite for proposal submission. No recordings of any kind are permitted. Participation is limited to a total of six (6) individuals from each company/team. Please RSVP for the Pre-Proposal Conference by Monday, December 18, 2023, 1:30 p.m. CT by sending an email to the following address: jsc-cmc4@mail.nasa.gov. The RSVP must include the following: Subject Line: CMC4 RFP 80JSC024R0001 Pre-Proposal Conference 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 six (6) individuals may represent any party or team of parties) Indication of your company's desire to be added to the Interested Parties list, which will be publicly available on the CMC4 website. A confirmation email will be sent to acknowledge your reservation(s) and provide further instructions. Please submit all questions pertaining to the Pre-Proposal Conference content to jsc-cmc4@mail.nasa.gov no later than 1:30 p.m. CT Friday, January 5, 2024. The Government will officially respond to all questions submitted at the Pre-Proposal Conference and received via email by the due date above by posting responses to SAM.gov and the CMC4 website after the Pre-Proposal Conference. 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 CMC4 website. NASA Clause 1852.215-84, Ombudsman, is applicable. The Center Ombudsman for this acquisition can be found at https://www.hq.nasa.gov/office/procurement/regs/Procurement-Ombuds-Comp-Advocate-Listing.pdf. 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. The Method of Contractor Selection has not been determined at this Time Questions Submit in writing to email: jsc-cmc4@mail.nasa.gov no later than January 5, 2024.