We've seen this before somewhere! Trump's Mar-a-Lago residence is now protected by air defense systems. Avenging anti-aircraft systems were deployed on the grounds of the American president's residence. In the past, the same systems were spotted near Trump's golf club in New Jersey, the "Telegraph" writes. The complexes are designed to intercept aerial targets, including low-flying planes and UAVs. The US Secret Service attributes the increased security to an "increased level of threats".