Coast Guard Capt. Christopher Cumberland (left), executive officer of Maritime Security Response Team West, and Lt. Cmdr. Rachel Ault, public information officer for the Heartland District, speak about Operation River Wall during a press conference in McAllen, Texas, Oct. 23, 2025. The Coast Guard works to secure and defend approximately 260 miles of the Rio Grande River during Operation River Wall. (U.S. Coast Guard photo by Petty Officer Third Class Mason Svitenko)