Complex sentence: For more than six weeks, the five AUSTER Mark V aircraft of'B' Flight operated from ALG Wormhout; intially, the aircraft were tasked with directing Czech Army artillery gunfire onto targets in the Dunkirk area.
Split into simpler sentences: For more than six weeks, the five Auster Mark V aircraft of'B' Flight operated from ALG Wormhout. Intially, the aircraft were tasked with directing Czech Army artillery gunfire onto targets in the Dunkirk area.