Hi, I haven't seen the film, but is the term "shock troops" instead ? Here are a few threads on the subject

• What nationalities were the Shock Troops of the British Empire during World War I? featuring /u/DuxBelisarius and /u/jonewer

• What made Canadian and Australian Troops suited to being 'Shock Troops' in WWI? featuring /u/LordHighBrewer

• Why is the participation of Canada and other british colonies in WW1 romanticized so much ? featuring follow-up by /u/LordHighBrewer, and several others

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