Complex sentence: On 12 August 1960 a Vickers Valiant BK1 "XD864" of No.7 Squadron nose wheel failed to retract on takeoff from RAF Wittering, while sorting it out the aircraft stalled and crashed into the ground at Spanhoe airfield.
Split into simpler sentences: On 12 August 1960 a Vickers Valiant BK1 "XD864" of No.7 Squadron nose wheel failed to retract on takeoff from RAF Wittering. While sorting it out the aircraft stalled and crashed into the ground at Spanhoe airfield.