Complex sentence: In North Africa each of the brigade's three parachute battalions took part in separate parachute assaults and then fought in the front line as normal infantry until the end of the Tunisian Campaign, during which they earned the nickname the "Red Devils".
Split into simpler sentences: In North Africa each of the brigade's three parachute battalions took part in separate parachute assaults. The brigade then fought in the front line as normal infantry until the end of the campaign, during which they earned the nickname the "Red Devils".