Justification & Approval for Antarctic Support Contract Extension

Closed Special Notice Posted

Solicitation number
ASC_Ext2
Agency
Responses due
Set-aside
No set-aside

Opportunity facts

NAICS code
561210 Facilities Support Services
Place of performance
N/A Antarctica
Points of contact

Notice details come from SAM.gov. Updated .

About this opportunity

The National Science Foundation (NSF) has published a Special Notice announcing a Justification and Approval (J&A) for other than full and open competition regarding the Antarctic Support Contract (ASC #NSFDACS1219442). This notice details the NSF's intent to extend the current contract's period of performance by twelve months, from September 30, 2026, to September 30, 2027. The extension is justified under Federal Acquisition Regulation (FAR) 6.302-3, which permits non-competitive procurement based on industrial mobilization, engineering, developmental, or research capability, and expert services. The NSF is releasing this J&A for public review in compliance with FAR 6.305 transparency requirements. The Special Notice was posted on January 8, 2026, and comments may be submitted through the NSF email alias provided.

The primary objective of this extension is to allow sufficient time for the NSF to complete source selection for a follow-on Antarctic Support Contract while ensuring operational continuity and a safe transition period. The estimated value of the twelve-month extension is $225 million, which will support critical logistics services including flight operations, cargo movements, facilities management, and construction essential to the United States Antarctic Program. The deadline for submitting comments on the J&A is February 7, 2026. Interested parties should note that response to this release is voluntary and at their own expense, and failure to respond does not preclude participation in future competitions or subcontract opportunities with the NSF. The extension is particularly justified by the complexity of Antarctic operations, the difficulty of hiring seasonal workers, and the need for a full transition cycle covering both Antarctic winter planning and summer execution phases.

Notice text

The National Science Foundation (NSF) is releasing the attached Justification & Approval (J&A) for Other than Full and Open Competition. This J&A concerns extension of the period of performance end date for the Antarctic Support Contract (ASC) (#NSFDACS1219442) from 30 September 2026 to 30 September 2027.

This J&A leverages the authority of FAR 6.302-3; “Industrial mobilization; engineering, developmental, or research capability; or expert services”.

Consistent with the requirements of FAR 6.305, this J&A is being made publicly available. Comments concerning this J&A may be submitted to the NSF email alias provided as part of this notice.

All costs associated with responding to this release will be solely at the interested party’s expense and any information provided under this release is purely voluntary. Not responding to this release does not preclude participation in any future competition or participation in future subcontract opportunities which may arise with NSF.

Files

File Type Posted
ASC Extension JA 20260107 EX.pdf PDF

Notice history

Notice Type Posted
This notice Latest special notice Special Notice
Justification & Approval for Antarctic Support Contract Extension Original Limited / Sole Source Justification

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