The driving factor in determining the requirements for routine, noncrisis forward presence ought to be reasoned, objective judgments about the relative importance of the various regions of the world to the United States. One approach is to define specific criteria—and for the time being, the most sensible criteria are economic.
Miskel, James F.
"“Being There” Matters—But Where?,"
Naval War College Review: Vol. 54
, Article 3.
Available at: http://digital-commons.usnwc.edu/nwc-review/vol54/iss3/3