# Missile Defense Agency - High Altitude Infrared Search and Track (HAIRST)

Canonical: https://abierto.us/opportunities/hq086025sc004

- Solicitation number: HQ0860-25-S-C004
- Notice type: Special notice
- Status: Closed. Deadline was November 13, 2025 at 6:00 PM EST
- Department: Department of Defense
- Agency: Missile Defense Agency (Mda)
- Contracting office: Missile Defense Agency (Mda) (HQ0860)
- NAICS: 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
- Product or service code: AC13 National Defense R&D Services; Department Of Defense - Military; Experimental Development
- First posted: September 15, 2025
- Last posted: October 15, 2025
- SAM.gov: https://sam.gov/workspace/contract/opp/b7be112d3ada4a01bc32ab357ae26f4f/view

## Description

**Due date for submissions has been extended to November 13, 2025. Please see Amendment 1 for details.** The Missile Defense Agency (MDA) “High Altitude Infrared Search and Track (HAIRST)” solicitation seeks proposals related to the delivery and demonstration of infrared sensor prototypes hosted on high altitude platforms. These prototypes must be capable of both searching a large volume for incoming missile threats and generating high-resolution tracks.

Performers will be required to access, handle, receive, and store SECRET information in performance of this effort. Offerors must have an active SECRET (or higher) Facility Clearance (FCL) with SECRET (or higher) Safeguarding Level to be eligible to respond to this solicitation. An “Offeror’s Library” with Controlled Unclassified Information (CUI) necessary to respond to this solicitation is available for offerors with an active SECRET (or higher) FCL with SECRET Safeguarding Level.

Details on requesting access to this library are contained within the attachment. This solicitation is posted under MDA's Nimble Options for Buying Layered Effects (NOBLE) Announcement, Solicitation No. HQ0860-25-S-0001.

## Publications

- September 15, 2025: Special notice, due October 30, 2025 at 6:00 PM EDT. Notice 6f900a998b144f6da6ea40d705c1bd07. https://sam.gov/workspace/contract/opp/6f900a998b144f6da6ea40d705c1bd07/view
- September 15, 2025: Special notice, due October 30, 2025 at 6:00 PM EDT. Notice e297a6044bf34e4e9aac3f297b2813e8. https://sam.gov/workspace/contract/opp/e297a6044bf34e4e9aac3f297b2813e8/view
- October 15, 2025: Special notice, due November 13, 2025 at 6:00 PM EST. Notice b7be112d3ada4a01bc32ab357ae26f4f. https://sam.gov/workspace/contract/opp/b7be112d3ada4a01bc32ab357ae26f4f/view

## Points of contact

- mda.redstone.mbx.mda-hairst@mail.mil, mda.redstone.mbx.mda-hairst@mail.mil

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Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/hq086025sc004.