Why Did President Trump Just Send 4,000 Troops to the Caribbean?

The 22nd Marine Expeditionary Unit is bound for drug interdiction duties, backed by assault vessels, patrol planes, and an attack submarine. This may not be business as usual for Caribbean drug lanes.

On August 15, President Donald Trump ordered the deployment of over 4,000 U.S. troops to Caribbean waters under U.S. Southern Command, according to early reports.