早期 そうき警戒 けいかい管制 かんせい ではありません
sō kikeika ikan seikidewārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 早期警戒管制機

1. Is not an early warning control aircraft.; Is not a type of early warning control aircraft.

Negative
Polite
Formal Register