Complex sentence: At 7:00 am six B-534s from Piešťany landed in Spišská Nová Ves; three of them then took off to support infantry near Sobrance.
Split into simpler sentences: At 7:00 am six B-534s from Piešťany landed in Spišská Nová Ves. Three of them took off to support infantry near Sobrance.