Another outcome of Yalta was the so-called Operation Keelhaul. Later, they decide to keelhaul Lindemann, still singing. Festivals and tours followed, including Europe with Keelhaul, and Russia for the first time. Keelhaul was implemented between 14 August 1946 and 9 May 1947. Keelhaul is a four-piece progressive Mathcore/sludge metal band from Cleveland, Ohio.