In previous "Keen Sword" joint military exercises, Japan and the U. S. once conducted drills on JSDF's "rearsupport" to the U. S. army based on the Perimeter Situation Law.
在此前的“利剑”军演中，日美曾基于《周边事态法》实施过日本自卫队对美进行“后方支援”的演习。
2
In prior wars, combat units served at the front of combat for a set period of time before being rotated to the rear to rest and refit, and support units were mostly kept in the rear area.
在之前的战争中，士兵在前线呆了一段时间后会被调到后方休息段时间，重新装备。
3
It formed part of one support for the rear and starboard guara – one of the dagger boards which, when lowered, helps us to keep our course.