> In April 2012, the Horizon-class frigate, Forbin, of the French Navy downed an American GQM-163 Coyote target simulating a sea-skimming supersonic anti-ship cruise missile traveling at Mach 2.5 (3000 km/h) with an altitude of less than 5 metres. It was the first time a European missile defence system destroyed a supersonic sea-skimming "missile". The trial was described as a "complex operational scenario".[1]
[1] https://en.wikipedia.org/wiki/Aster_(missile_family)
Seems that the sea-skimming abatement capacity increased from 3500 km/h to 8000 km/h.