The National Science Foundation (NSF) is preparing to release a Request for Proposal (RFP) for an Indefinite-Delivery Indefinite-Quantity (IDIQ) contract aimed at securing services for the Antarctic Science and Engineering Support Contract. This contract, which is expected to be awarded as a single entity, will cover a broad range of support services necessary for operations in Antarctica and other locations, including the Continental United States and New Zealand, over an anticipated ordering period of twenty years. The procurement will be subject to unrestricted full-and-open competition, with the solicitation number anticipated to be 49100425R0006, and the RFP is expected to be released no earlier than April 16, 2025. Interested parties are encouraged to monitor the Federal Point of Entry at www.sam.gov for updates and additional information, and any inquiries can be directed to DACS USAP Recompete at recompete.usap@nsf.gov.