A broken-windows approach to foreign policy would require the U.S. to increase military spending to upward of 5% of GDP. That is well above the 3.5% of GDP devoted to defense in 2014, though still under its 45-year average of 5.5%. The larger budget would allow the Navy to build a fleet that met its long-stated need for 313 ships (it is now below 290, half its Reagan-era size). It would enable the Air Force to replace an aircraft fleet whose planes are 26 years old on average, the oldest in its history. It would keep the U.S. Army from returning—as it now plans to do, over the warnings of officers like Army Chief of Staff Gen. Raymond Odierno —to its pre-World War II size.
The key to building a military ready to enforce a broken-windows policy is to focus on numbers, not on prohibitively expensive wonder-weapons into which we pour billions of research dollars—only to discover later that we can afford just a small number of them.
Broken-windows foreign policy would sharply punish violations of geopolitical norms, such as the use of chemical weapons, by swiftly and precisely targeting the perpetrators of the attacks (assuming those perpetrators can be found). But the emphasis would be on short, mission-specific, punitive police actions, not on open-ended occupations with the goal of redeeming broken societies.
(1) - http://online.wsj.com/articles/yes-america-should-be-the-worlds-policeman-1415984889
(2) - http://thefreethoughtproject.com/tag/militarization-of-police/page/2/