Logistics Specialists will order, receive, inspect, stow, preserve, package, ship, and issue materials and cargo. Supervise, organize, and establish or disestablish Navy post offices and perform postal counterwork, including sale of stamps and money orders. Process incoming and outgoing mail; route mail, maintain a mail directory, process official mail, maintain security of postal effects and mail matter, process claims and inquiries, and prepare and file postal correspondence, records and reports. Account for government materials, prepare and maintain required forms, records, correspondence, reports, and files.

Machinist's mates operate and maintain steam turbines and reduction gears used for ship propulsion and auxiliary machinery such as turbogenerators, pumps and oil purifiers. They also maintain auxiliary machinery outside of main machinery spaces, such as electrohydraulic steering engines and elevators, refrigeration plants, air conditioning systems and desalinization plants. They may also operate and maintain compressed gas producing plants.