Complex sentence: Although the published closure date known for this airfield relates the World War II airfield, the Army maintained an Anti Aircraft training camp across from RAF Weybourne using 40mm Bofors guns linked to AA4 mk7 gun laying radar.
Split into simpler sentences: Although the published closure date known for this airfield relates the World War II airfield. The Army maintained an Anti Aircraft training camp across from RAF Weybourne using 40mm Bofors guns linked to AA4 mk7 gun laying radar.