Maj. Gen. John Nichols

U.S. Border Patrol agents chase undocumented immigrants through ranchland on July 25, 2014 near Falfurrias, Texas. (credit: John Moore/Getty Images)

National Guard: Length Of Border Mission A First

The commander overseeing 1,000 National Guard troops being sent to the Rio Grande Valley says the open-ended mission is a first for the reserve military force.

08/05/2014

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