Not even remotely close
...to operational deployment. Prototype weapons are still far off. Although a Chinese ballistic missile has gotten a lot of publicity lately, that's not where the real threat lies. Missiles already deployed and/or in development will take out ballistic missiles. The problem is high speed missiles flying at low altitude, known as supersonic sea-skimming cruise missiles. They're already in use by several nations. They're difficult to counter because their flight is concealed by the curvature of the earth. The Navy sees exotic new tech like electro-magnetic launchers (the rail gun is 1 sort) & lasers as it's best hope of countering these cruise missiles. Unfortunately, neither need nor funding guarantees the success of these solutions.