noun
elite unit; elite troops
Military term for a specially selected, highly trained unit.
その精鋭部隊は敵陣に奇襲をかけた。
The elite unit launched a surprise attack on the enemy camp.
精鋭 is an adjective/noun meaning 'elite' or 'crack', while 精鋭部隊 specifically refers to an elite military unit.
Compound of 精鋭 (elite, crack) and 部隊 (unit, corps).