MARINE CORPS LOGISTICS BASE ALBANY - A dockworker with the Jacksonville, Fla., company, Portus, drives a Humvee through the stern of the United States Navy Ship Pfc. Dewayne T. Williams’ at Blount Island Command, Jacksonville, in early September. Other dockworkers removed large metal containers filled with all types of military gear from within the vessel, known as a maritime prepositioning ship, with heavy-duty cranes.