cavalry
Definition
Soldiers who fight on horseback; in modern use, troops equipped with armoured vehicles or helicopters for rapid response.
한국어 말을 타고 싸우는 군인; 현대적으로는 급속한 대응을 위해 방탄 차량이나 헬리콥터를 장비한 군인
Example
"The cavalry arrived just in time to turn the tide of battle."