American Heros Channel had a series called “Against All Odds”. The episode “Those Damned Engineers” was about a 13-man squad prevented General Piper from reaching the port of Antwerp by blowing up bridges and otherwise delaying the German attack during the Battle if the Bulge. There combat engineer unit was the most decorated Engineer unit in all of WW II, and the men didn’t lean of it until 60 years later.
Combat engineers can do amazing things very quickly.