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Justification

International Monitoring System Waveform Operations and Maintenance

HDTRA121R0001

Defense Threat Reduction Agency, Defense Threat Reduction Agency. All Other Professional, Scientific, and Technical Services.

Awarded

University of Alaska Fairbanks

$13,165,491.93 obligated so far on USAspending, March 25, 2021, contract HDTRA121C0030

Get the next one like this from Defense Threat Reduction Agency by email, the day it is posted.Find my opportunities

This one was awarded in 2026

26 like it are open now in all other professional, scientific, and technical services

All 26 open in all other professional, scientific, and technical services

Description

As published on SAM.gov.

DTRA is the Department of Defense (DoD) executive agent for the Nuclear Arms Control Technology (NACT)
program which supports one of the six safeguard assurances associated with the original US Senate
ratification effort for the 1996 Comprehensive Test Ban Treaty (CTBT). The NACT program manages,
operates, and sustains the majority of the US segment of the International Monitoring System (IMS) monitoring
stations for the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO). DTRA requires the continued
uninterrupted operations and sustainment of all of the US IMS waveform monitoring stations managed by the
NACT Program.

Attachments

Files listed on SAM.gov. The ones we hold a copy of download from here; the rest open SAM's download, which needs no account.

The contract, on USAspending

Federal procurement data the awarding office reported to FPDS, matched to this solicitation by its number.

UEI
FDLEQSJ8FF63
CAGE
3R2B4
Vendor location
Fairbanks, AK
Contract
HDTRA121C0030, definitive contract
Obligated
$13,165,491.93, current value $28,945,546, potential $32,206,388
Actions
16 between February 13, 2024 and March 12, 2026
Competition
Not Competed, 1 offer received
Set-aside reported
No Set Aside Used.
Described as
Operational Support of Waveform Stations for the United States International Monitoring System
Match
award number HDTRA121C0030 equals the contract number; same awarding office HDTRA1 (high confidence)

Publications

Every notice SAM.gov issued under this solicitation number, oldest first. Each is a separate record on SAM.

  1. March 13, 2026

    Justification, originally award notice, removed from SAM.gov October 11, 2026

    No longer on SAM.gov, notice 7aa0dc9ba155430f8dc4fcb8b80924ee

  2. March 13, 2026

    Justification

    SAM.gov, notice 8e490bc428a2483ea7edc0a5cb4ad9fd

    4 revisions on SAM
    • March 13, 2026: publish, justification
    • March 13, 2026: publish, justification
    • March 25, 2021: publish, justification
    • March 25, 2021: publish, award notice
  3. March 13, 2026

    Justification

    SAM.gov, notice d690b4df56144875961d13cd9b12099b

    4 revisions on SAM
    • March 13, 2026: publish, justification
    • March 13, 2026: publish, justification
    • March 25, 2021: publish, justification
    • March 25, 2021: publish, award notice

Points of contact