Complex sentence: During early 1943 the staff was located in the Donets Basin area, two Bf 109E-7s from 2nd "Staffel" being lost to enemy fire on 10 February.
Split into simpler sentences: During early 1943 the Stab operated in the Donets Basin area, two Bf 109E-7s from 2. Staffel being lost to enemy fire on 10 February.