Complex sentence: In July 1944, Wild wrestled control of operational deception planning from Strangeways and others, and sent a portion of the department (Jervis-Read plus the American officers Barnes and Moody) to France as the Forward section.
Split into simpler sentences: In July 1944, Wild wrestled control of operational deception planning from Strangeways and others. He (Wild), responded by sending a portion of the department (Jervis-Read plus the American officers Barnes and Moody) to France as the Forward section.