Soldiers Install Concertina Wire at US Port of Entry Near Donna - YouTube
Opinion | No, Trump Cannot Declare an 'Emergency' to Build His Wall - The New York Times
Creating Obstacles
How concertina wire became such an effective defense tool | We Are The Mighty
White House approves military to use lethal force at southern border | kare11.com
The Singapore Army - They build a triple Concertina wire setup as part of their defence. | Facebook
What is Razor Wire? The History of USGI Concertina Wire - Coleman's Military Surplus Guide
At the border, uncertainty about the migrant caravan and military concertina wire - The Washington Post
Slinky Barrier
Amazon.com: 328 feet Nato Razor Steel Wire,Clipped Concertina Helical Wire Roll Weather and Water Resistant Galvanized Steel for Secure Military Sites, Prisons/Government Agencies,Outdoor Garden Protection : Patio, Lawn & Garden
Thousands of US Troops Rushed to the Border to Lay Barbed Wire