Commands across the Navy are getting creative in response to a policy change earlier this year that allows for unit-specific customization on the service's new working uniform. According to the update, published in March, commands and units have the option of wearing an embroidered shoulder patch on the Navy Working Uniform Type II and III, the service's camouflage utilities. The design of the patch must be approved by the relevant unit commanding officer, and it may be worn in lieu of the traditional left "Don't Tread on Me" shoulder patch in non-tactical environments only, according to the regulation. Early patch designs, rolled out publicly by a few commands in recent weeks, use symbols to highlight history and mission focus. Read more on Military.com.