Нещодавно спеціальний черевик для саперів, розроблений нашими інженерами-ентузіастами, врятував нашому саперу ногу. Боєць обійшовся переломом ноги без втрати кінцівки.
Recently, a special boot for sappers developed by our enthusiastic engineers saved our sapper’s leg. The soldier got away with a broken leg without losing his limb.
Sapper: A military engineer who lays, detects, and disarms mines.
I had no idea.
It’s a pretty largely encompassing term these days. Pretty much any engineer in a combat situation.
Breaching fortifications (the original usage), building bridges, demolitions, etc.