in land warfare, a combat engineer officer who advises an appropriate commander on engineer matters, proposes engineer operations, commands engineer operations as directed, and supervises engineer ope, maasõjas lahingupioneeriteenistuse ohvitser, kes nõustab asjaomast ülemat insenertehnilistes küsimustes, teeb ettepanekuid pioneeritegevuse korraldamiseks, juhib pioneeritegevust vastavalt korraldusel