A Navy destroyer has deployed to the Gulf of America on a mission usually reserved for the U.S. Coast Guard to help deter illegal crossings and drug trafficking as part the military’s efforts to bolster security along the southern border.

A Navy destroyer that was involved in fighting Houthi rebel attacks on shipping in the Red Sea last year is being deployed a lot closer to home. The Pentagon says the USS Gravely is being sent to boost border security in waters normally patrolled by the Coast Guard,