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 operations by troops not directly under his command, maasõjas lahingupioneeriteenistuse ohvitser, kes nõustab asjaomast ülemat insenertehnilistes küsimustes, teeb ettepanekuid pioneeritegevuse korraldamiseks, juhib pioneeritegevust vastavalt korraldusele ja juhendab pioneeritegevust, milles osalevad üksused, kes ei allu otseselt tema juhtimisele