Author: Miles Jamison|| Date Published: October 23, 2025
The Department of Homeland Security has announced plans for a firm-fixed-price contract valued at more than $100 million to expand its Persistent Surveillance and Detection, or PSD, system under the Cross Border Tunnel Threat, or CBTT, program.
According to the notice published Tuesday on the Acquisition Planning Forecast System, the contract will be managed by the U.S. Customs and Border Protection. The initiative aims to utilize the PSD system to strengthen tunnel detection capabilities along high-risk areas of the U.S. southwest border.
The anticipated solicitation release is set for Nov. 10, with an award expected in the first quarter of fiscal year 2026. Contract work will be performed at various locations along the SW border and in California. It is expected to be completed on Dec. 31, 2026.
What Is the PSD System?
The PSD system is designed to continuously monitor underground activity and identify potential connections where a tunnel intersects the border. The U.S. Border Patrol leverages the system to predict a tunnel’s likely trajectory, from the possible entry location through its subsurface path to the exit point.
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