在沖 ざいちゅう米軍 べいぐんじゃなかったです
za ichūbē gunjanakattadesu

Noun
Desu Copula

The polite, past negative form of 在沖米軍

1. Was not at the U.S. military base.; Wasn't stationed at the U.S. military base.

Past/Perfective
Negative
Polite
Casual Register