The US has sent just a quarter of the tanks it's promised and none of the infantry fighting vehicles.

美国只派出了承诺的四分之一的坦克，而且其中并没有步兵战车。

Capable of penetrating several inches of composite armor, the XM109 can stop a lightly armored vehicle such as an infantry fighting vehicle out to a range of 1.2 miles (2km).

XM109 能够穿透几英寸的复合装甲，可以在 1. 2 英里（2 公里）的范围内阻止轻型装甲车辆， 例如步兵战车。