Military Sealift Command large, medium-speed, roll-on/roll-off ship USNS Pililaau anchored two miles off the coast of , July 22. A platform of floating Navy barges called a roll-on/roll-off discharge facility is attached to the ship's stern ramp and a motorized Navy causeway ferry approaches. During an at-sea offload, military personnel drive wheeled and tracked vehicles from the ship’s cargo hold onto the roll-on/roll-off discharge facility for staging and then onto the causeway ferry for transport to shore.