Wondering what the real scoop is on American militarism abroad? Got no context to compare today's context from times past? Adbusters now has an interactive list online of what appears to be every single external military action the US has been involved in through our entire history. Listing humanitarian interventions alongside secret coups and all, it gives you a very comprehensive picture. The only problem is that many entries are unintentionally abridged, even getting cut off mid-sentence and mid-word.
A Corrective to the purported "Vietnam" section: