 By 15 December 1944, von der Heydte was able to put together a decent fighting force.Operation Greif, commanded by Otto Skorzeny's 150th Panzer brigade, was designed to capture certain bridges over the Meuse River.Skorzeny was ordered to dress his brigade in American and British uniforms, while using Western Allied vehicles and speaking English, in an effort to not only capture those bridges, but to pass on false orders and confuse Allied forces defending the breakthrough sector.