; (3) land- and ship-borne tourism in Antarctica, including tourism that United States-based companies organize or originate, continues to increase at a significant rate; (4) achievement of the United States Antarctic Program scientific objectives requires the full commitment of the operational and logistics capabilities of the Program; (5) long-standing United States policy regarding private non-governmental expeditions to Antarctica has been not to offer support or other services to private expeditions in Antarctica, and, instead, to encourage complete operational and financial self-sufficiency on the part of non-governmental expeditions to Antarctica; (6) in limited emergency situations the United States may attempt, at its discretion and in accordance with international law and humanitarian principles, the rescue of private individuals provided that no unacceptable risks are posed to United States personnel and the rescue can be accomplished by the United States within locally available means; (7) increased tourism and other non-governmental activities could result in additional health and safety, search and rescue, medical care and evacuation costs. These costs could increase the financial burden on the United States Antarctic Program, increase the risks to the safety of those involved in search and rescue, and jeopardize scientific objectives through the diversion of resources