USS Denver's (LPD-9) Amphibious Task Group provided aid and supplies to Subic Bay, Philippines, following typhoons Ketsana and Parma in October 2009. Some of the assisting ships were USS Harpers Ferry (LSD-49), USS Tortuga (LSD-46), and USS McCampbell (DDG-85). U.S. Navy helicopters delivered more than 360,000 pounds of food, water, and emergency shelters. They also assisted non-governmental organization (NGO) survey teams to conduct assessments of damage areas and helped with transportating the wounded. U.S. Navy corpsmen assisted U.S. Air Force doctors and treated more than 2,000 patients.