History of the Royal Military Police out their duties. In addition, 28 Officers were killed or died whilst serving with CMP units. On 6 June 1944, the Allies launched Operation Overlord, the invasion of the European mainland. CMP units taking part included: "The Battle of Normandy and subsequent battles would never have been won but for the work and co-operation of the Provost on the traffic routes." (Field Marshal Montgomery, 1945) In 1944, the Allies launched Operation Market Garden, the airborne assault to capture bridges over the Lower Rhine in the Netherlands. The 1st (Airborne) Divisional Provost Company, CMP captured the police station in Arnhem, but
American airborne landings in Normandy were changed to avoid overflying the peninsula in daylight. IX Troop Carrier Command (TCC) was formed in October 1943 to carry out the airborne assault mission in the invasion. Brigadier General Paul T. Williams, who had commanded the troop carrier operations in Sicily and Italy, took command in February 1944. The TCC command and staff officers were an excellent mix of combat veterans from those earlier assaults, and a few key officers were held over for continuity. The 14 groups assigned to IX TCC were a mixture of experience. Four had seen significant combat in the Twelfth Air Force. Four