Assertion: sea vixen | /r/CapableOf | lack wing folding mechanism
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Source sentences:
text: For this purpose, XF828 featured several changes, including the alteration of the profile of the wing leading edges and the strengthening of the wings, as well as underwing fixture points for catapult launches, and a tailhook for arrested landings; however, the Sea Vixen lacked a wing folding mechanism, or racks for armaments.