領空 りょうくう侵犯 しんぱんではありませんでした
ryō kū shimpandewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 領空侵犯

1. Was not airspace violation.; Was not an airspace infringement.

Past/Perfective
Negative
Polite
Formal Register