What is the fine-grained topic of the following text: At work and at war, the dress uniform has long stood as a symbol that all men are equal in the face of duty — sharing equal honour, valour, and truth — and this season the house of McQueen uses that tradition to take apart the class separations associated with the British heritage silhouette. Only return the topic.
McQueen's use of dress uniform symbolism to dismantle class separations in British heritage silhouette.