The Navy, Defense Logistics Agency and Air Force ships currently operate 6 vessels around the world for the United States Navy, the Defense Logistics Agency and the United States Air Force.
The DLA prepositioning assests include zero offshore petroleum discharge system (OPDS) tanker, and one offshore petroleum distribution system ship (also referred to as OPDS), The discharge tanker carries defense fuel for contingency use and can pump it to shore from a distance of four miles. The distribution ship doesn’t carry fuel, but can pump fuel from a tanker to a shore facility from a distance of eight miles.
are high speed multihull vessels chartered for Marine use in the western Pacific. The ships can be used to carry up to 970 Marines and 420 tons of cargo, or 531 tons of cargo, if no Marines are embarked.
Two aviation logistics support ships, and , support United States Marine Corps fixed wing aircraft. The two ships are maintained by the Maritime Administration, one on the U.S. East Coast and one on the West Coast, in reduced operating status (ROS-5). The vessels can be made ready to deploy within five days to a contingency operation anywhere in the world.
The Prepositioning NDAF staff work hand-in-hand with commercial operating companies and vessel owners who provide the vessels to MSC under contract.