A soldier from the Texas National Guard scans the shores of the Rio Grande in Starr County, Texas, April 10, 2018. (Texas Military Department)
A Texas state guardsmen and a U.S. Border Patrol agent work together on the shores of the Rio Grande in Starr County, Texas, April 10, 2018. (Texas Military Department)
A Texas state guardsmen and a U.S. Border Patrol agent work together near the Rio Grande in Starr County, Texas, April 10, 2018. (Texas Military Department)
A Texas Army National Guard soldier operates special equipment at the Texas-Mexico border, August 24, 2014. (U.S. Army file)
Texas Army National Guard soldiers serving at the Texas-Mexico border, August 24, 2014. (U.S. Army file)
A soldier from the Texas Army National Guard observes a section of the Rio Grande, August 24, 2014. (U.S. Army file)
A Texas Army National Guard soldier serving at the Texas-Mexico border, August 24, 2014. (U.S. Army file)
Texas National Guard vehicles head to the Texas-Mexico border, August 24, 2014. (U.S. Army file)
A Texas Army National Guard soldier serving at the Texas-Mexico border, August 24, 2014. (U.S. Army file)
Airmen from the Texas Air National Guard observe a section of the Rio Grande, August 25, 2014. (U.S. Army file)
An airman from the Texas Air National Guard observes a section of the Rio Grande, August 25, 2014. (U.S. Army file)