U.S. Army Corps of Engineers South Pacific Border Task Force conducts an environmental survey of the BMGR-1 project near Yuma, Arizona, Aug. 26. USACE is replacing permanent border barriers along the southern border of the U.S. at the direction of the U.S. Army by the Secretary of War, in response to the presidential national emergency declaration dated Jan. 20, 2025, authorizing the use of Section 2803 of Title 10, U.S. Code. (Photo by Robert DeDeaux USACE PAO