Assertion: group | /r/HasProperty | commanded by the time of world war ii
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Source sentences:
text: When the ranks of the RAF were designed, an officer with the rank of group captain (equivalent to colonel and naval captain) commanded such a unit, although by the time of World War II, many groups were commanded by air commodores (equivalent to brigadiers/brigadier generals and commodores) or air vice-marshals (equivalent to major generals and rear admirals).