DOW Support to the Southern Border

A curved boundary wall in the memorial area rises incrementally in height from 3 inches to 71 inches to represent the age span of the victims.

The Pentagon Memorial's zero line is etched with the date and time, September 11, 2001, 9:37 a.m., of the attack and is the starting reference point for the park's chronological timeline.

U.S. Marine Corps Col. George Flynn, right, commanding officer of Marine Rotational Force Darwin 26, and a Royal Australian Air Force officer lay wreaths before the Eternal Flame during a 9/11 memorial service at the Shrine of Remembrance in Melbourne, Australia, Sept. 10, 2026. The rotational force is a six-month rotational deployment to enhance interoperability with the Australian Defense Force, allies and partners in the Pacific region.

New York National Guard Joint Task Force Empire Shield Honor Guard members stand at attention as Army Staff Sgt. Gillian Huff, a bugler with the U.S. Military Academy Band, plays taps during the 25th Anniversary 9/11 Remembrance Ceremony at Fort Hamilton, N.Y., Sept. 9, 2026. The ceremony honored the victims and first responders of the Sept. 11, 2001, terrorist attacks.

A steel and granite cantilevered bench at the 9/11 Pentagon Memorial is inscribed with the name of a victim of the terrorist attack, Navy Reserve Lt. Cmdr Ronald J. Vauk, Sept. 3, 2026. Vauk was serving the second day of his annual reserve duty at the Pentagon when the hijacked plane hit.

The 9/11 Pentagon Memorial in Arlington, Va., features natural elements such as trees, water and gravel to create a peaceful environment, Sept. 3, 2026.

A visitor at the 9/11 Pentagon Memorial in Arlington, Va., rests a rose on a bench honoring Teresa M. Martin, Sept. 3, 2026.

The 9/11 Pentagon Memorial in Arlington, Va., features 184 cantilevered benches, Sept. 2, 2026. The benches are organized by the birth year of each victim and are oriented based on where the victim was during the attack.

Snow lays on the ground near the Tower of Voices at the Flight 93 National Memorial in Pennsylvania.

Navy chief petty officer selectees and chief petty officers assigned to commands at Joint Base Pearl Harbor-Hickam, Hawaii, and a few children participate in the Boot Memorial Run at Ford Island, Hawaii, Sept. 5, 2026. Nearly 9,000 memorial boots line the route across the island, each representing a service member who died in service to the nation.

Volunteers prepare a 9/11 Boot Memorial display at Joint Base Pearl Harbor-Hickam, Hawaii, Sept. 3, 2026. The volunteers placed more than 9,000 combat boots along an 8-kilometer route, with each boot displaying a photo and personal information of a U.S. service member who made the ultimate sacrifice since Sept. 11, 2001.

Soldiers assigned to Joint Task Force Southern Border supporting Operation Ardent Vanguard attach a sling load to the hook below a CH-47 Chinook helicopter at Biggs Army Airfield, Fort Bliss, Texas, Aug. 26, 2026. Service members assigned to the task force provide unique military capabilities to protect the territorial integrity of the U.S. southern border.

Military service members salute as fire and rescue workers unfurl an American flag over the side of the damaged Pentagon, Sept. 12, 2001, during rescue and recovery efforts following the previous day’s terrorist attack.

Army Sgt. Benjamin Cordova and Spc. Daniel Gutierrez, both assigned to Joint Task Force Southern Border supporting Operation Ardent Vanguard, operate a C100X monitoring drone during low-light conditions near Eagle Pass, Texas, Aug. 20, 2026. The aerial monitoring supports efforts to detect, monitor and deter unlawful crossings into the United States.

Marine Corps Lance Cpl. Benjamin Gonzales, a motor vehicle operator assigned to Joint Task Force Southern Border in support of Operation Ardent Vanguard, helps install concertina wire on a secondary expeditionary barrier in Nogales, Ariz., Aug. 19, 2026.

Army Spc. Domenic Hruby, assigned to Joint Task Force Southern Border, reinforces a barrier by welding "crow's feet" rods to its upper edge at a national defense area near Santa Teresa, N.M., Aug. 12, 2026. U.S. Northern Command is working with the Department of Homeland Security and the U.S. Customs and Border Protection to provide unique military capabilities to protect the territorial integrity of the U.S. southern border.

Sailors check for foreign objects on the flight deck of the littoral combat ship USS Cooperstown as the ship transits the Gulf of America, July 4, 2026. The ship was supporting efforts to protect the territorial integrity of the U.S. southern border.

Soldiers assigned to Joint Task Force Southern Border place concertina wire on top of barriers at National Defense Area 2 near Fort Hancock, Texas, Aug. 6, 2026. The barrier reinforcement operation enhances detection and observation capabilities along the U.S. southern border.

Marines assigned to Joint Task Force Southern Border reinforce concertina wire along the southern barrier in Naco, Ariz., July 31, 2026. Barrier reinforcement operations ensure sustained protection and observation capabilities along the U.S. southern border.

Army Sgt. Justin Masterson, left, and Spc. Vladimir Alves, assigned to Joint Task Force Southern Border, retrieve a Skydio X10D small unmanned aircraft system after an aerial observation in Rio Grande Valley, Texas, July 23, 2026. The unmanned system helps detect illegal crossings and enhances aerial monitoring capabilities to protect the territorial integrity of the U.S. southern border.