Israeli-born Nepal Chabad Rabbi Chezki Lifshitz called in a rescue helicopter to evacuate two Israeli women backpackers who had been stranded in Annapurna in the Himalayas and were suffering from hypothermia. The women used Chabad-supplied GPS devices, donated by an Israeli family.
http://www.jpost.com/Diaspora/Chabad-rabbi-rescues-Israeli-backpackers-stranded-in-Himalayas-448447