Concertina Wire Along the United States / Mexico Border
Concertina Wire Along the United States / Mexico Border
id:CAL-01-0031
format:HD
location:San Ysidro, California
U.S. Marines build fortifications near the San Ysidro Port of Entry at the California-Mexico border, providing military support to the Department of Homeland Security and U.S. Customs and Border Protection to secure the Southern border of the United States.