The US 6th Airborne Division was a 'Phantom Division' created for Operation Vendetta in 1944. Like the British 4th and 5th Airborne Divisions, the notional formation was 'built up' around real units, the 517th Regimental Combat Team, 1st Battalion, 551st Parachute Infantry Regiment & the 550th Airborne Infantry Battalion which were depicted as operating under a single command when in fact they were operating separately. During Operation Dragoon all of the units depicted as part of the 6th Airborne Division formed part of the short lived 1st Airborne Task Force.