Complex sentence: A task force, known as "Kampfgruppe Hanke" was formed under Hanke's command, which consisted of three infantry battalions, one battalion of the divisional artillery regiment and elements of the divisional pioneer battalion.
Split into simpler sentences: A task force, known as "Kampfgruppe Hanke", was formed under Hanke's command. The task force consisted of three infantry battalions, one battalion of the divisional artillery regiment and elements of the divisional pioneer battalion.