空中 くうちゅう給油 きゅうゆ ではありませんでした
kūchūkyūyukidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 空中給油機

1. Was not an aerial refueling tanker.; Was not a mid-air refueling aircraft.

Past/Perfective
Negative
Polite
Formal Register