Final answer:
An 11 gun salute is rendered for Commodores or Rear Admirals as a mark of respect and recognition of their rank in naval services.
Step-by-step explanation:
An 11 gun salute is traditionally rendered for Commodores or Rear Admirals in the naval services. It is a ceremonial form of honor reserved for these positions, recognizing their rank and status. Gun salutes are a longstanding military tradition used to show respect, and the number of guns fired varies depending on the rank and position of the individual or occasion being honoured.