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    Operation Ardent Vanguard      

     

    All U.S. Northern Command efforts to protect the United States sovereignty, territorial integrity, and security from unlawful mass migration, narcotics trafficking, human smuggling and trafficking, and other criminal activities now fall under the overarching operational name – Operation Ardent Vanguard. This page was formally known as Department of War Southern Border.

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    Current Personnel:

    1st Lt. Valor Carlsen
    2nd Lt. Brian Carroll
    Sgt. Kiara Colon Rodriguez
    Melissa Gregory
    1st Lt. Ross Guieb
    2nd Lt. Samuel Hennig
    2nd Lt. Sylvi Imrem
    Sgt. Hyeisha Kirklandthompson
    Capt. Shkeila Milford-Glover
    Capt. Jason Montgomery
    2nd Lt. Bryant Paganagostini
    1st Lt. Andrew Phan
    Spc. Reshad Scott
    Cpl. Camden Thomas
    Lt. Phuc Truong
    2nd Lt. Roberto Ugalde

    Content Online:

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    Recent Images

    390th Engineer Company Soldiers Repair Fence Breach in Eagle Pass

    390th Engineer Company Soldiers Repair...

    06.10.2026 | Courtesy Photo
    U.S. Army Soldiers with the 350th Engineer Company, 130th Maneuver Enhancement Brigade, assigned to Joint Task Force-Southern Border in support of...
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    Recent Videos

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    Recent News Stories

    JTF-SB crew executes dramatic 160-foot...

    06.23.2026 | Story by Sgt. 1st Class Alon Humphrey
    AJO, Arizona — Service members assigned to Joint Task Force–Southern Border (JTF-SB) conducted an aeromedical evacuation after receiving a request to assist a civilian supporting border barrier construction who experienced a medical emergency in a remote mountainous area of southern Arizona on June 17, 2026.

    Transition Season Along the Southern Border

    06.14.2026 | Story by 1st Lt. Lia Alexander
    FORT BLISS, Texas — Soldiers, family members, and distinguished guests gathered to witness the change of command ceremony for 1st Battalion, 35th Armor Regiment (1-35 AR), as Lt. Col. Jeffrey Bernasconi relinquished command to Lt. Col. Arcadio Avalos during a time-honored military tradition that symbolizes continuity of leadership, accountability, and readiness.
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