Complex sentence: Major Reisman is assigned an unusual and top-secret pre-invasion mission: take a small unit of soldiers convicted of felonies and turn them into a commando squad to be sent on a special mission, an airborne infiltration and assault on a chateau near Rennes in Brittany.
Split into simpler sentences: Major Reisman is assigned an unusual and top-secret pre-invasion mission: take a small unit of soldiers convicted of felonies and turn them into a commando squad to be sent on a special mission. The mission is an airborne infiltration and assault on a chateau near Rennes in Brittany.