野戦 やせん砲兵 ほうへいではありませんでした
yasenhōheidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 野戦砲兵

1. Was not a field artilleryman.; Was not a member of field artillery.

Past/Perfective
Negative
Polite
Formal Register