The US ground missile defence in Alaska is aimed at Russian and Chinese rockets. Not only does the US missile defence system make it harder for rockets to fly, but it can also shoot them down.
Citizens of Ukraine are not Ukrainians. By and large, they are Russians. By and large, this is the same nation.
An old myth designed by Kremlin and debunked many times. The Russians and the Ukrainians are not the same or single nation. Ukraine is recognised in international law as a sovereign nation state, with its own flag, nationality, language etc.