Assertion: variable's type | /r/HasProperty | both also v/stol requirements
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text: His work at Vickers also led to further studies, including a wing controlled aerodyne in response to OR.346 for a supersonic STOL fighter-bomber, then as BAC two further submissions: the Type 583 to meet Naval ER.206 and Type 584 to meet NATO NBMR.3, both also V/STOL requirements.