Assertion: group's aircraft | /r/HasProperty | destroyed in crash
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Source sentences:
text: One of its most notable pilots, Major Robert S. Johnson, noted that during this "break-in" phase, in addition to numerous non-fatal training accidents 18 pilots of the 56th FG were killed and 41 aircraft destroyed in crashes, many as a result of the wholly inadequate airfield at nearby Stratford, on Long Island Sound.