Sentinel A3

Acquisition Plan (AP)

Program facts

Program number
B72
Acquisition pathway
Major Capability Acquisition (MCA)
Acquisition category
ACAT II
Acquisition status
Active
Lead component
Contract awards
2
Contract obligations
$10,628,130 Since fiscal year 2025

Program details come from the Department of Defense's acquisition program list. Contract figures come from SAM.gov (formerly FPDS).

Contract obligations by fiscal year

Fiscal year Obligated
FY2026 $10,202,080
FY2025 $426,050

Top contractors by obligations

Rank Contractor Obligated Share
1 National Institute Of Building Sciences $9,793,279
2 Constellation Software Engineering, LLC $834,851

Contract awards

Quick answers

What is Sentinel A3?

Sentinel A3 is a DoD acquisition program led by the Department of the Army. DoD lists its program type as Acquisition Plan (AP). It follows the Major Capability Acquisition (MCA) pathway and is ACAT II. Its acquisition status is active.

How much has Sentinel A3 obligated on contracts?

2 contract awards are coded to Sentinel A3, and their actions have obligated $10,628,130 since fiscal year 2025.

Who are the top contractors on Sentinel A3?

The contractors obligated the most on Sentinel A3 contracts are National Institute Of Building Sciences ($9,793,279) and Constellation Software Engineering, LLC ($834,851).

How much did Sentinel A3 obligate in fiscal year 2025?

Contracts coded to Sentinel A3 obligated $426,050 in fiscal year 2025.

What is the latest contract award for Sentinel A3?

The latest contract award coded to Sentinel A3 is FA821926FB001, awarded to National Institute Of Building Sciences on December 19, 2025.

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