Complex sentence: Most of the transit across the channel was done on a British Motor Torpedo Boat, with the last stretch rowed in a rubber dingy, with Hazelhoff Roelfzema often going ashore with whomever was being dropped.
Split into simpler sentences: Most of the transit across the channel was done on a British Motor Torpedo Boat. The last stretch of water was covered by rowing ashore in a rubber dingy, with Hazelhoff Roelfzema often going ashore with whomever was being dropped.