For a country that "doesn't do empire" the US has an awful lot of forward military bases garrisoning the globe which would seem to belie this assertion. Tom Engelhardt of TomDispatch.com has the disturbing details [Note: be sure to follow the Mother Jones links at the end]:
Going on an Imperial Bender
How the U.S. Garrisons the Planet and Doesn't Even Notice
By Tom Engelhardt
Here it is, as simply as I can put it: In the course of any year, there must be relatively few countries on this planet on which U.S. soldiers do not set foot, whether with guns blazing, humanitarian aid in hand, or just for a friendly visit. In startling numbers of countries, our soldiers not only arrive, but stay interminably, if not indefinitely. Sometimes they live on military bases built to the tune of billions of dollars that amount to sizeable American towns (with accompanying amenities), sometimes on stripped down forward operating bases that may not even have showers. When those troops don't stay, often American equipment does -- carefully stored for further use at tiny "cooperative security locations," known informally as "lily pads" (from which U.S. troops, like so many frogs, could assumedly leap quickly into a region in crisis).
At the height of the Roman Empire, the Romans had an estimated 37 major military bases scattered around their dominions. At the height of the British Empire, the British had 36 of them planetwide. Depending on just who you listen to and how you count, we have hundreds of bases. According to Pentagon records, in fact, there are 761 active military "sites" abroad...
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