Each year, millions of people enter the U.S. along its nearly 2,000-mile-long border with Mexico. But the border is also vulnerable to illegal activities, such as drug smuggling and organized crime.

FORT BLISS, Texas – The 1st Armored Division Headquarters will assume command of Joint Task Force – Southern Border from the 101st Airborne Division at Fort Huachuca, Arizona, this spring. Joint Task ...