Which means they'd like the aging stuff that's there replaced with newer better stuff.
Specifically "We're not talking about a great wall of the United States. We're not talking about a continuous wall from California down to Texas. We're talking about a wall in strategic locations which then helps the Border Patrol agents do their job better."
Now of course this is a "pre-Caravan" interview, but I think, unless there's an apocalypse like situation, this caravan is the exception, not the rule.