Navy Adm. Alvin Holsey, the head of U.S. Southern Command, is stepping down from the job roughly one year into it.
Why it matters: SOUTHCOM oversees military operations across Central and South America and in the Caribbean Sea.
- U.S. warships are massing in the region, and troops have killed more than two-dozen people who the Trump administration has accused of drug smuggling and other illicit activity.
