PTS-250 is our largest Roll-On / Roll-Off ocean-going landing barge. PTS-250 is equipped with a unique remote operated side-thruster system making it the most capable and safest landing barge when precision in rough conditions matters. Pacific Tugboat Service and the PTS-250 have been the contractor of choice for the US Navy providing delivery of cargo of all kinds, including arms, ammunition and explosives, certified potable fresh drinking water, vehicles, materials and equipment to San Clemente Island.