I don't like the expression "boots on the ground.β When did that start? There will be men and women in those boots, and some will die.
"Regime change" is similarly euphemistic.
"Regime change" is similarly euphemistic.
@gleick Monsieur le Chat gives this chronology:
πΈπΊ
In short
β’ Origin (as a phrase): ~1950sβ60s (military slang)
β’ Broader recognition: 1990s
β’ Mainstream/common usage: 2000s onward