UAP Says - Why the United States cannot put Boots on the Ground to Fight ISIS The expression "boots on the ground" has an extended military-jargon history…The term is used to convey the belief that military success can only be achieved through the direct physical presence of troops in a conflict area … The term is particularly applied currently (2010) to counter-insurgency operations. The expression “boots on the ground†basically means we need to send in ground troops, grunts, warriors, dog-faces, jarheads, combatants…those shifty eyed fowl mouth two fisted go for broke Soldiers and Marines that close with and destroy...