兵队

例句：

1. 1. The army is training for the upcoming war.
   军队正在为即将到来的战争做准备。
2. 2. The soldiers are marching in formation.
   士兵们正列队行进。
3. 3. The army has been deployed to the border for security reasons.
   军队已部署到边境以保障安全。