空中 くうちゅう給油 きゅうゆ じゃなかったです
kūchūkyūyukijanakattadesu

Noun
Desu Copula

The polite, past negative form of 空中給油機

1. Was not an aerial refueling tanker.; Wasn't an air-to-air refueling aircraft.

Past/Perfective
Negative
Polite
Casual Register