The division safety petty officer is appointed by whom?

The division safety petty officer is appointed by the division officer. This is correct because the division officer is responsible for the oversight and management of their specific division, including safety matters. The division safety petty officer assists in ensuring that safety practices and standards are upheld within the division and reports to the division officer, making this appointment logical within the chain of command. The division officer directly interacts with and knows the personnel and mission of the division, which positions them appropriately to select someone who will effectively promote and enforce safety protocols.