Lonnie Kilpatrick Central Pacific Relief Act This bill provides a presumption of service-connection for diseases associated with exposure to certain herbicide agents to veterans who served on (1) Guam or American Samoa, or in the territorial waters thereof, between January 9, 1962, and July 31, 1980; or (2) Johnston Atoll or a ship that went to Johnston Atoll between January 1, 1972, and September 30, 1977. Under a presumption of service-connection, specific diseases diagnosed in certain veterans are presumed to have been caused by the circumstances of their military service. Health care benefits and disability compensation may then be awarded. Additionally, the bill expands eligibility for hospital care, medical services, and nursing home care to veterans with a disability associated with exposure to certain herbicides during specified times of military service on Guam, American Samoa, or Johnston Atoll.