Desperate for a mission after the end of the Warsaw Pact, NATO in the late 1990s decided that it would become the muscle behind the militarization of "human rights" under the Clinton Administration.
Gone was the "threat of global communism" which was used to justify NATO's 40-year run, so NATO re-imagined itself as a band of armed Atlanticist superheroes. Wherever there was an "injustice" (as defined by Washington's neocons), NATO was ready with guns and bombs.
The US military-industrial complex could not have been happier. All the Beltway think tanks they lavishly fund finally hit on a sure winner to keep the money pipeline flowing. It was always about money, not security.
The test run for NATO as human rights superheroes was Yugoslavia in 1999. To everybody but NATO and its neocon handlers in DC and many European capitals, it was a horrific, unjustified disaster.