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Draft Supplemental Environmental Assessment for the Proposed Permanent Air and Marine Facility at Libby Army Airfield, Fort Huachuca, Arizona (July 2021)

Document Posting Date: 
July 9, 2021

U.S. Customs and Border Protection (CBP) has prepared a Draft Supplemental Environmental Assessment (SEA) and Draft Finding of No Significant Impact (FONSI) to address the potential effects, beneficial and adverse, resulting from the proposed construction and operation of a joint permanent air facility at Libby Army Airfield (LAAF), Fort Huachuca, in Sierra Vista, Cochise County, Arizona.  The purpose of the Proposed Action is to establish a joint permanent air operations facility at LAAF, Fort Huachuca, Arizona, to support the U.S. Border Patrol’s Tucson Sector mission to manage operational control of the border.

CBP invites comments on the Draft SEA during the 30-day comment period beginning on July 14, 2021.  You may submit comments using only one of the following methods:

  1. By email:, subject line “Fort Huachuca Project”; or, 
  2. By U.S. mail:  John Petrilla, Attn: Fort Huachuca Project, U.S. Customs and Border Protection, 24000 Avila Road, Suite 5020, Laguna Niguel, CA 92677

To ensure consideration, comments must be received by August 13, 2021.  Once the final environmental and decision documents are complete, they will also be posted on this site.

Last modified: 
July 9, 2021