No, [the U. S. ] has made it clear that we consider a peaceful resolution an essential aspect of American foreign policy. This I believe to be a situation understood by China, but again, it is important to not sound too truculent. Taking on a billion-plus Chinese is not an enterprise which one should enter lightly.
According to polls, a majority (around 60+ percent) opposes the radar base. But it's not necessarily the sensible part of the Czech population. The demonstrations against the base are usually organized by communists, Islamists, and "peaceful feminists" (which is fortunately not a numerous group).