zsdad: Yes, he was a really big rabbi. And this is what Rav Shach wrote about the State (Letters 1:2):
Rav Shach writes that in the Bais Din Shel Maalah, when they ask him why he was against Zionism, he will not need to answer in detail – all he will do, he said, was he will point to the Chofetz Chaim and say “I am agaisnt Zionism because he was against it!”