theatre of operations

1. The use of Special Forces in this theatre of operations is essential, and their use can be greatly aided by specialist UUVs.
   使用特种部队在这一个战区操作是必要的，而且他们的使用可能被专用无人水下运载器极大的援助。
2. The move was described as "unprecedented" by the US Navy due to the size of the vessel and the distance of the attack from the pirates'usual theatre of operations;
   由于这艘油轮非常巨大，而且远离海盗通常的袭击区域，此举被美国海军描述为“前所未有的”。

noun

1. a region in which active military operations are in progress
   1. the army was in the field awaiting action
   2. he served in the Vietnam theater for three years

   Synonym:    fieldfield of operationstheatertheater of operationstheatre