Airborne forces critical equipment carried in 408 gliders daylight missions code-named Operation Bluebird, phase 2, simultaneous with the beach landings, and Operation Dove, phase 3. A second daylight parachute drop, Operation Canary, dropped 736 men of the 551st PIB with nearly 100% effectiveness late on the afternoon of August 15. The airborne objective was to capture the area, destroy all enemy positions and hold the ground until the U.S. Seventh Army came ashore. Operation Market Garden of September 1944, involved 35,000 airborne troops dropped up to behind German lines in an attempt to capture a series of bridges over the Maas, Waal
Operation Market Garden for air supply. Montgomery initially suggested "Operation Comet", a limited airborne "coup de main" operation that was to be launched on 2 September 1944. Comet envisioned using the British 1st Airborne Division, along with the Polish 1st Independent Parachute Brigade, to secure several bridges over the Rhine River to aid the Allied advance into the North German Plain. The Divisional Headquarters for the British 1st Airborne Division, with the 1st Airlanding Brigade and the Polish 1st Independent Parachute Brigade were to land at Nijmegen, the British 1st Parachute Brigade was to land at Arnhem, and the British 4th Parachute Brigade