The US spends more on defense than the next 9 biggest spenders, combined (and 6 of the 9, formal allies of the US). Why?
The question can only properly be answered in the context of a clear foreign and defense strategy, and Crunchicrant argues [WORLD ROLE] that no such thing exists: we seem, as a country, to be uncertain about our objectives in the international arena and, by default, to be turning inward.
Defense seems to have become untethered to any foreign and defense strategy: but at a tactical level, does our defense configuration make sense – is it optimized to deter and defeat threats and is it efficient? Its a question which needs to be asked frequently, and answered well, because: