Complex sentence: During the 1936--1939 Arab revolt in Palestine against British rule, Rilov joined the Special Night Squads (SNS) led by British Army officer Charles Orde Wingate and Rilov witnessed acts of cruelty towards Palestinian villagers.
Split into simpler sentences: During the 1936--1939 Arab revolt in Palestine against British rule, Rilov joined the Special Night Squads (SNS) led by British Army officer Charles Orde Wingate. Under Wingate's command, Rilov witnessed acts of cruelty towards Palestinian villagers.