The United States has the largest military force in the country among the 42-nation coalition fighting the eight-year-old war against the insurgents.

VOA: standard.2009.09.15

You would also engage in sports together, and you would develop a camaraderie because you were expected then to be the fighting force for your city, your city-state.

一起参加体育运动，培养友谊,因为他们将成为这座城市，这座城邦的，主要战斗力。

耶鲁公开课 - 新约课程节选