慣性 かんせい誘導 ゆうどうじゃありませんでした
kanseiyūdōjārimasendeshita

Noun
Desu Copula
no-Adjective

The polite, past negative form of 慣性誘導

1. Was not inertial navigation.; Was not using inertial guidance.

Past/Perfective
Negative
Polite
Terminal Form