On February 21, 2008 at 3:26 am (UTC) the USS Lake Erie, a Ticonderoga-class guided-missile cruiser, fired a single SM-3 missile, hit and successfully destroyed the satellite, with a closing velocity of about 22,783 mph (36,667 km/h) while the satellite was 247 kilometers (133 nautical miles) above the Pacific Ocean.
http://en.wikipedia.org/wiki/RIM-161_Standard_Missile_3#Anti-satellite
A hit that took major reprogramming and setting up the right conditions. Not anything at all like hitting missiles at will.